Do you know what is 25 x 100

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16