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Questions in Grade College

[Free] A parabola has a vertex at the origin. The focus of the parabola is located at $(-2,0)$. Which is the equation for the directrix related to the parabola? A. $y=2$ B. $x=2$ C. $y=-2$ D. $x=-2$

[Free] Underline the most important information in each paragraph. Briefly summarize Galileo Galilei's work.

[Free] Has there been a time in your life when you experienced ethnocentrism? Please explain the situation. In what areas might you try to improve your cultural sensitivity? Provide specific examples of ways in which you might do this.

[Free] Simplify each expression: a) $\frac{\sqrt{45}}{\sqrt{320}}=$ $\square$ b) $\frac{\sqrt[3]{1250}}{\sqrt[3]{640}}=$ $\square$

[Free] Perform $(3 x^3-2 x^2+3 x-4) \div(x-3)$ to find the value of the remainder. A) 88 B) 78 C) 98 D) 68

[Free] Juno is taking a taxi. The table represents a linear function and shows the amount she owed after various numbers of miles traveled. Is the rate of change 2.25? | Miles | Amount Owed (dollars) | | ----- | --------------------- | | 1 | 2.5 | | 2 | 4.75 | | 3 | 7 | | 4 | 9.25 | | 5 | 11.5 | A. Yes, because the amount owed changes by 1 every time the miles change by 2.25. B. Yes, because the amount owed changes by 2.25 every time the miles change by 1. C. No, because the amount owed does not change by 1 every time the miles change by 2.25. D. No, because the amount owed does not change by 2.25 every time the miles change by 1.

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

[Free] Use the formula and given information to solve for the indicated variable. Round answers to two decimal places as necessary. [tex]C=\sqrt{a^2+b^2}[/tex] Given: [tex]a =24[/tex] and [tex]b =13[/tex] Calculate C.

[Free] What percent of 144.6 is 303.2?

[Free] What does it mean when a research subject gives informed consent? A. They are in excellent health and are entitled to participate. B. They are participating willingly and are aware of possible risks. C. They are old enough to participate and are being paid to do so.