21*9=9*21 what property is used

if you divide both sides of an equation by the same number the new equation will have the same solution

F (x) = - 3x^2+2x-5 What is f (-1)

Given f (x) = -3x+8, find f^-1 (x) then state wheter F^-1 (x) is a function

A jet descended 0.44 mile in 0.8 minute. What was the plane's average change of altitude per minute?

The sum of two consecutive whole numbers is 57

Translate into an algebraic expression and simplify if possible. The sum of three consecutive even integers if the largest number is y.

An antique painting has a 40% chance of increasing in value by $10,000 and a 60% chance of decreasing in value by $5000. Based on this information, would you recommend investing in the painting? A.

What is [ (17 - 9) x (3 x 2) ] : 2? tell me your answer with the PBB or Parentheses, Brackets, Braces () [] {}

Rachel took out a personal loan for $4,500 with a monthly payment of $173.06 for 36 months. Determine the finance charge on Rachel's loan if she takes all 36 months to pay it off.

How do I solve y = a + 151