Calvin bought 20 pencils at $0.45 each. How much change did he get from

a $10 bill?

What is the solution of 7x+21=21

6x + 18 = 3x - 12 solver for X

Two pumps connected in parallel fail indepen - dently of each other on any given day. The proba - bility that only the older pump will fail is. 10, and the probability that only the newer pump will fail is. 05.

If the savings account is growing at 5% per year predict how much money would be in the account after 60 years? Hint - exponential growth y=a (1+r) ^x

What is 81.50:25?

3.3k≤9.9 k=? Also what does the solution look like on a graph?

Lower quartile of 6 8 10 12 14 15 15 20

How can yo order rational numbers from least to greatest

1. Your state charges 5% sales tax on nonfood items. You're buying a light bulb for $3.00, cereal for $2.50, and an orange for $.50. What will be the grand total of your bill?

If 18 inches is 1 1/2feet how many feet long is a 36 inches board, a 72 inches board?