What is the surface area of a cylinder with a height of 32 and a radius of 7

note: answer must not be decimal or fraction. must be in pi from. ex) 15pi

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Which value of y will make the inequality y< -1 false?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point