Justine runs 250 yards in 50 seconds. a. At this rate, how many yards can Justine run in 60 seconds?
b. At this rate, how long would it take her to run 25 yards?
c. At what rate, in yards per second, is Justine running?

Match each expression with its simplified form.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?