Simplify the expression. - 9 (z + 3) - 5 (2z + 10)

A. - 19z - 77

B. - 19z + 13

C. - 19z - 13

D. - 11z + 77

Martin sees 4 rows of cages in the bird house there are 4 cages in each row how many cages are in the bird house

I have all the side measurements for a triangle but how do you find the angle measurements of it?

Jim walks at an average rate of 4 miles per hour. at this rate how long will it take jim to walk 10 miles?

A baker uses 5 cups of flour to make 75 cookies. Using this same ratio, how many cups of flour will be needed for 30 cookies? Use the ratio table given to solve the problem.

Shana sells t-shirts. It costs Shana $6.50 to buy each t-shirt. She also pays $150 each month to rent equipment to add print to the t-shirts. Shana sells each t-shirt for $12.

Factor 1/5 out of 1/5x+29/5

Evaluate the expression 2x - 5 when x = 3? A) - 4 B) 1 C) 6 D) 11

29yards 2foot 11inches+55yards 1foot 10inches+13yards 1foot 3inches=

Solve the equation 2/3x + 10 = 4/5x

Why do you subtract exponents when dividing powers with same base