Expand 2 (x+10)
what is the answear 2 (x+10)

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

The table shows the distance traveled over time while traveling at a constant speed.

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