Consider the equation C = πd which shows the relationship between the diameter and circumference of a circle.

What is the constant of proportionality for this equation?
A) 1
B) circumference
C) diameter
D) π

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

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.

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota