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Questions in Grade High-school

[Free] Which is the solution to the equation $2.6 a +18.4=28.8$? Round to the nearest tenth if necessary. A. 1.4 B. 4 C. 182 D. 27

[Free] $2 Ca+O_2 \rightarrow 2 CaO$ The molar mass of each substance is provided in the table below. | Substance | Molar Mass (g/mol) | | :-------- | :----------------- | | Calcium $( Ca )$ | 40.08 | | Oxygen $\left( O _2\right)$ | 32.00 | | Calcium oxide $( CaO )$ | 56.08 | What mass of calcium is needed? $4.25 mol O _2$ $\square$ 2 $\square$ mol Ca 40.1 g Ca $=$ $\square$ g Ca 1 $mol O _2$ 1 mol Ca

[Free] 4.) [tex]$9 x+5=3 x-19$[/tex] 5.) [tex]$x+8=13+2 x$[/tex] 6.) [tex]$14 x=18+5 x$[/tex]

[Free] Graph the rational function $y=\frac{x}{2 x+2}$. Which quadrant does neither branch of the rational function pass through? A. Quadrant 1 B. Quadrant 4 C. Quadrant 3 D. Quadrant 2

[Free] Which explains the information needed to calculate speed and velocity? A. Both require the total distance, but velocity also requires time and displacement. B. Both require time, but velocity requires displacement and speed requires distance. C. Speed requires displacement, while velocity requires distance. D. Speed does not require time, while velocity does require time.

[Free] Zorah, a musician, pays $120 to have her instrument tuned and $10 per hour for a booth at a fair. She estimates that she earns $25 per hour in tips. The equation can be used to represent the break-even point. [tex]120+10 x=25 x[/tex] How many hours, [tex]x[/tex], will Zorah have to play in order to break even? A. 4 B. 5 C. 8 D. 12

[Free] How many solutions exist for the given equation? 3(x + 10) + 6 = 3(x + 12) Options: zero, one, two, infinitely many

[Free] An employee works on regular days from 7:00 AM to 7:00 PM with a daily rate of Php 675. Using MS EXCEL, how much did he earn (WAGE) that day? OT/hr = Hourly Rate x 125%. | DAILY RATE | TOTAL HOURS WORKED | OVERTIME (HRS) | |------------|--------------------|----------------| | 675 | 12 | 4 | a. 1,096.88 b. 1,275.20 c. 1,346.70 d. 1,410.20

[Free] The Queen and the White Witch are different people. Write 'true' or 'false'. Edmund did not question why the Queen was so inquisitive because A. he trusted the queen. B. the enchanted Turkish Delight dulled his common sense. C. she told him that she would make him the King. Why did the Queen want their meeting to be a secret? A. She wanted it to be a surprise for Edmund's siblings. B. She had ill intentions towards the children. C. She was scared of Lucy telling Edmund about the Queen's wrongdoings. Edmund secretly thought it wouldn't be fun if their other siblings found out that he had been to Narnia too because he wanted to eat all the Turkish Delight himself. Write 'true' or 'false'. Correct the statement if it is false.

[Free] Exercise 5. Choose the best option to complete the sentences. 1. I'm told she is ill. I hope she _______ better again. A. will feel B. doesn't feel C. felt D. don't feel 2. I was getting fired, so I stopped _______ lunch. A. have B. having C. to have D. had 3. _______ you _______ to school every morning? A. Does - walk B. Do - walk C. Will - walk D. Are - walking 4. Hai enjoys _______ for a picnic at the weekend. A. to go B. going C. goes D. go 5. We needn't wear our coat. It _______ cold today. A. will be B. won't be C. doesn't be D. is 6. We _______ swimming because it's good for our health. A. like B. are liking C. will like D. liked 7. My grandparents don't like _______ in the city because it's noisy and crowded. A. live B. lived C. living D. to living 8. Fire needs oxygen to burn. It _______ without oxygen. A. burned B. burns C. don't burn D. doesn't burn 9. How much time do you spend _______ book each day? A. read B. to read C. reading D. to be 10. I don't mind _______ a DVD, but I prefer _______ to the cinema. A. to watch - to go B. watching - go C. to watch - going D. watching - to go