If a stack of $10 bills is worth $90 billion what is the height of the stack in kilometers? Assume each bill is 0.2 milimeters thick would the answer be 18,000 km?

A pet has 18 hamsters. They sold 10 and put the remaining hamsters into 8 cages. Hownany hamsters are in each cage

When dividing decimals what must you do if there is is a decimal in the divisor

4x squared + 27x - 7 = 0

There is a stack of 8 cards, each given a different number from 1 to 8 . Suppose we select a card randomly from the stack, replace it, and then randomly select another card.

What is 2x2x2x2x2 + 1

Express each of the following as a fraction in lowest terms 1: 3/6 2: 2/8 3: 12/20

Randi earned a profit of $60.00 on her last snow shoveling and salting job. Write an equation that can be solved to find how many hours Randi spent shoveling and salting to earn a profit of $60.00. HINT: Randi charges $25 an hour to shovel and salt.

The lengths of the sides of a triangle are 4, 5, 6. Can the triangle be a right triangle?

Name a big reason Europeans came to the "New World" during the fifteenth and sixteenth centuries?

Find the value of x 2x+4x=5