What are the solutions of the equation 2x2 = 2? use a graph of the related function. a. there are two solutions: -1 and 1. b. there are two solutions: -1 and 1. c. there are two solutions: d. there are no real number solutions.

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

This is so hard and it’s for a test

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)