Given the following function, find the 5 key points, and answer the following questions. f(x) = 3 cos(x - pi/4)

Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart

True or false? a circle could be circumscribed about the quadrilateral below.

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?