What is the contrapositive of if a, then b?

A.) if b, then a

B.) if a, then not b

C.) if not b, then not a

D.) if not a, then not b

If the first leg of the triangle is x and the length of the second leg is y, the formula for the area of a right triangle is

Which expression is equivalent to 9x + 3y

Rhett is showing his work in simplifying (-7.9 + 5.2) - 1.4.

What is the answer to 7x-11=17-7x

Rewrite each expression as a single power 6^4 x 6^4

Mrs McDonald spent 24.65 at a yard sale on Saturday. on Sunday she went to another sales and spent 14.95 more than she did on Saturday. what is the total amount that Mrs McDonald spent on both yard sales

Linda purchase a prepaid phone card for $30. Long distance calls cost $.17 a minute using this card when do use her card. Linda use her card only to make a long distance call if the remaining credit on her card is $22.

Consider this equation: - 2x - 4 + 5x = 8 Generate a plan to solve for the variable. Describe the steps that will be used.

What is the graph of the function y=2x2^x

Determine the prime factorization of 104. 24• 3 • 5 23• 13 22• 13 22• 5