The ratio of boys to girls in Mr. Herring’s class is 3:5. If there are 32 total students in the class, how many girls are there?

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?