St + tu/4t²-1 ÷ s²-u²/4t² + 4t + 1​

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.