Which is an example of the commutative property?

A.

-13 + 27 = 27 + (-13)

B.

-21 + (11 + 13) = (-21 + 11) + 13

C.

4 (-3 + 5) = 4 (-3) + 4 ∙ 5

D.

- (-8 + 3) = 8 + (-3)

Which division fact corresponds to the problem of 8*9 equals 72

Solve: 1/3a2-1/a=1/6a2 The solution is a =

Kevin is putting his baseball cards into a album. He has 450 cards and each page of the album holds 9 cards. How many pages will Kevin need if all 450 baseball cards are going in the album

Write the number 1.8 in the form a/b, using integers, to show that it is a rational number.

Solve the equation for the unknown variable b³ = 5,832

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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