3 + 7+ 13 + 21 + 31 + 2. Find the general term and then the sum of first n terms
1.n +2:(n-1) + 3 (n - 2) +

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 term best describes a line ans a point that lie in the same plane

Askateboard ramp is in the shape of a right triangle what is the height of the ramp