Matias stepmom used 30% off coupon to buy the ingredients for the huevos ranchero she spend 28$ what is the regular price r of the ingredients before the discount enter the amount

Apple pie is removed from 350 degree oven. temperature of the pie t minutes after being removed id given by the function t(t)=72+268e-0.068t

Need on this geometry question. explain how you did it.

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3