∠A and \angle B∠B are supplementary angles. If m\angle A=(3x+16)^{\circ}∠A=(3x+16) ∘ and m\angle B=(2x+4)^{\circ}∠B=(2x+4) ∘ , then find the measure of \angle A∠A.

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

The height of a box can be found by dividing its volume by the area of its base, bottom. what is the height of a box that has a volume of 26.35 cubic centimeter and a base area of 4 1/4 square centimeter?