What expression is equivalent to x^4-y^4

a man is hiking in Death Valley he start at an elevation of 65 feet above sea level and descends to an elevation 30 feet below sea level. How far did the hiker travel

The cost of parking in the garage at the airport is $16 per day. A separate parking facility outside the airport charges 25% less per day to park.

Mary can buy 3 pounds of pears for $8. Write an equation to represent the cost c for p pounds of pears.

How many hours is from 8am to 12pm

A rectangular loop of area A is placed in a region where the magnetic field is perpendicular to the plane of the loop. The magnitude of the field is allowed to vary in time according to B = Bmax e-t/τ, where Bmax and τ are constants.

For each stapler, there are 25 staples. Mr. Henry has s staplers. How many staples does Mr. Henry have?

Is 1/4 greater or less than 8/10

Emilia spent $25 on four boxes of tulip bulbs to plant in her garden. If she spent the same amount for each box of bulbs, how much did Emilia spend on each box?

Solve for the variable in 6/18=x/36

Which of the following is a composite number? A. 19 B. 63 C. 1 D. 0