Using the quadratic formula, which of the following is the solution to the quadratic equation x2 - x - 20 = 0? a. x = -5, 4 b. x = 5, 4 c. x = 5, -4 d. x = -5, -4

Acircle has a circumference of 28.36 units what is the diameter of the circle

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts