Evaluate 5z^2 when z = 3 and when z = - 3

What is the coefficient for the variable m in the question, d = 8m + 17

Find the percent change from 15 to 18.

Nisha did the work below to solve an equation. Step 1 7 b + 3.2 b minus 5 = 18.92 Step 2 10.2 b minus 5 = 18.92 Step 3 5.2 b = 18.92 Step 4 b = 3.64 In which step did Nisha make her first error?

Which rational number is greater? - 3/5 or - 4/5?

Ronelle asked 100 students to choose their favorite subject from among mathematics, history, and art. She found that 22 students chose mathematics, 26 history, and the rest art. What percent of students chose art? a 22% b 26% c 48% d 52%

Sona knits 10 squares a day for 7 days. can she sew together to make 5 equal sized blankets? explain

What is 2.8 in expanded form

What is the answer to solve negative eight positive negative 2 for integers?

Aaron wants to buy a bicycle that costs $128. So far, he has saved $56. The equation a + 56 = 128 can be used to find the amount an in dollars that Aaron still needs to save. What is the solution to the equation?

joel is laying pipe for a sprinkler system before he plants his lawn. the lawn is a rectangle, 15 feet long and 8 feet wide. he needs to lay piece of pipe that will run along the diagonal of the lawn.