It cost $3.99 to rent a video for one day and $4.99 to rent a video for two days. what is the rate of change?

a) 1.25 b) 0.8 c) 1 d)0.5

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?

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2