Twice a number increased by 8 is 30

What amount is 20% less than 60

In a 45-45-90 triangle, what is the length of the hypotenuse if the length of one of the legs is 5 in.?

Use pi=3 calculate the length of a cicumference of a circle with a radius of 5cm

After paying $7 for the pie Mary has $96 left. how much money did she have before buying the pie?

A shelf of books at the library can hold 60.5 pounds of books. How many pounds of books can be placed on 5 shelves? pounds

One third plus one half

If Ana walked 13/3 miles how would I make it as a mixed number?

Jerome works as a waiter he earns $80 each weekend plus 15% in tips

Professor must randomly select 4 students to participate in a mock debate. There are 18 students in his class. In how many different ways can these students be selected, if the order of selection does not matter?

Explain how to write a word problem to match the inequality d < 120. Demonstrate with an example.