Suppose a video store charges nonmembers $4 to rent each video . a store membership costs $21 and members pay only $2.50 to rent each video. for what number of videos is the cost of the same?

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

The coordinate grid shows a pentagon. the pentagon is translated 3 units to the right and 5 units up to create a new pentagon. what is the rule for the location of the new pentagon?