The function y=2.50x+20 can be used to determine the cost in dollars for the rental of x games for game store members. What is the rate of change of the cost in dollars with respect to the number of games? I FEEL NICE SO I'M GIVING AWAY BRAINLIEST IF YOU GET IT RIGHT

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

Iwill give you ! what is the measure of ∠v ?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)