In a group of 20 batteries, 4 are dead. you choose 2 batteries at random.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

If johnny ate 5 cans of sugar, but in the kitchen they only had 3. what did johnny eat? (he found a secret stash btw.)

Find the volume v of the solid obtained by rotating the region bounded by the given curves about the specified line. y = x â’ 1 , y = 0, x = 5; about the x-axis v = sketch the region. sketch the solid, and a typical disk or washer.