I this identity property of addition or additive inverse property?

9x + (-9x) + 12=0+12

I see both of the properties but I'm not sure ...

Find the volume of a sphere with a surface area of 576 in.

A rectangular garden has a length of 24 m and width of 17.2 m. Use the correct number of significant digits to write the perimeter of the garden.

What 324568 x 951478

If 3 (4-2x) - 5 (-2x+1) = 1-3x, then x=

Solve for y = 2x + 3y=12

In decomposition how many reactants do you start with? 2 1 3 or more 0 submit rewatch

Find an equivalent system of equations for the following system: 2x + 4y = 4 -5x + 5y = 5

a vehicle with power steering makes a hissing or whirring sound when the wheel is turned all the way to the stops. Technician A says that this is a normal condition.

Suppose that state's record high temperature of 102 was set in 1930, and the record low of -14was set in 1966. What is the range of these temperature extremes?

Max makes a scale drawing of distance between salt lake city and Arizona. The distance between salt lake city and Arizona is 21 cm. If each 7 cm on the scale drawing equals 250 kilometers, how far apart are the salt lake city and Arizona.