You go to the post office to mail 9 letters. The postage for each letter is 39¢. How much money will the post office charge you to mail the letters?

2. Evaluate x (-y + z) for x = - 1, y = 2, and z = 5. A 7 B 3 C-7 D-3

What are some of the ways earth is protected by its atmosphere

Write 1360/220 as a decimal

1/3 - 3 (2/7x - 4) Which of the expressions are equivalent to the expression above? A) 1/3 - (3) (2/7x) - (3) (4) B) 1/3 - 6/7x + 12 C) - 11 2/3 - 6/7x D) 12 1/3 - 6/7x E) 1/3 - 6 (1/7x - 2) F) 1/3 + (-3) (2/7x) - (3) (4)

Shane biked 1 mile than three times the number of miles lissette bike a total of 7 miles. Write an equation to determine how many miles lissette bike

12 out of 15 as a percent, a decimal and a fraction

Make sure it's fully reduced. 2 - x = 5/8

A book store is having a sale. The book Bart wants was originally priced at $14.99. The book is now $10.04. By what percentage was the price reduced?

A single person earns a gross biweekly salary of 840 and claims 5 exemptions what is the persons net pay

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