In a circle of radius 30 inches, a central angle of 35° will intersect the circle forming an arc of length

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

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?