PLSSS HELLL
Elliot wrote a computer program that randomly generates a number from 2 to 10. If he runs the program twice, what is the probability that the number generated both times is a prime number?
StartFraction 2 over 15 EndFraction
StartFraction 1 over 6 EndFraction
StartFraction 16 over 81 EndFraction
StartFraction 9 over 20 EndFraction

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c