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Questions in Grade High-school

[Free] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Free] A restaurant manager records the number of tables seated $(x)$ and the total number of cups of complimentary salsa $(y)$ served. Which statements show correct values for the median-fit method? Check all that apply. The left summary point is $(38,97.25)$. The middle summary point is $(52,110.5)$. The right summary point is $(63,160)$. The slope of the line of best fit is 2.14. The $y$-intercept of the line of best fit is -10.48.

[Free] Three out of nine students in the computer club are getting prizes for first, second, and third place in a competition. How many ways can first, second, and third place be assigned?

[Free] Write the equation for a parabola that has a vertex $(2,-1)$ and a directrix of $x=5$. The standard form for this parabola is $(y-k)^2=4 p(x-h)$ $(x-h)^2=4 p(y-k)$ The vertex is given at $(2,-1)$, which tells us that $h=$ $\square$ , and $k=$ $\square$

[Free] Read the table and choose the true statement. | Person | Investment | Years | Revenue | Value | |---|---|---|---|---| | A | $18,000 | 3 | $45,000 | $38,000 | | B | $27,000 | 4 | $30,000 | $37,000 | A. Person A recovers their investment in a shorter amount of time. B. Person B recovers their investment in a shorter amount of time. C. They recover their investments in the same amount of time. D. There is too little information to compare the time to recover their investments.

[Free] Match the following. Column 'A' 1. Leaves of small plants 2. Flesh of dead animals 3. Corn, gram, oilcake 4. Grains, worms, fishmeal 5. Fruits, nuts, green and red chillies Column 'B' (a) vulture, raccoon (b) cow, buffalo, horse (c) ducks, hens (d) parrot (e) goat, sheep

[Free] Miscommunication and mass media are really the same thing.

[Free] Match the words, definitions, and examples: Element Molecule Compound Mixture Two or more atoms chemically joined together Two or more different atoms chemically joined together A substance made from only one type of atom Different elements, molecules or compounds not chemically joined together

[Free] Find the perimeter of the following rhombuses. Choose your answer inside the box below. 1. Side = 8 cm 2. Side = 13 cm 3. Side = 20 cm 4. Side = 6 cm 5. Side = 15 cm A. 60 cm B. 52 cm C. 80 cm D. 24 cm E. 32 cm

[Free] Complete the table: | Materials found at home | Phase of Matter | Use/s of the material/s at home | |------------------------|-----------------|--------------------------------| | Ex. water | liquid | Use for cooking, washing dishes and clothes, drinking, and taking a bath. | | 1. | | | | 2. | | | | 3. | | | | 4. | | | | 5. | | |