Harvey is solving an equation. His work is shown below. 5x+(5x+9)=5
(5x+5x)+9=5
10x+9=5
Which statement describes the procedure Harvey used in his work and which property justifies the produce? A.) Harvey regrouped the terms to add 5x and 5x. This procedure is justified by the associative property B.) Harvey regrouped the terms to add 5x and 9. This procedure is justified by the commutative property C.) Harvey regrouped the terms to multiply 5x and 5x. This procedure is justified by the commutative property D.) Harvey regrouped the terms to multiply 5x and 5x by 9. This procedure is justified by the associative property.

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

(01.03 mc) which of the following is a step in simplifying the expression x multiplied by y to the power of 2 over x to the power of negative 3 multiplied by y to the power of 3, the whole to the power of negative 4. select one: a. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 7 multiplied by y to the power of negative 1. b. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of 12 multiplied by y to the power of negative 12. c. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of negative 3 multiplied by y to the power of 3. d. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 3 multiplied by y to the power of 3.