Simplify the equation-6z + (-5.5) + 3.5z + 5y - 2.5?

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Point q is equidistant from the sides of ∠tsr. find m∠rst.