30% of blank equals 12

Which triangles area would be calculated using the trigonometric area formula

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?