Circle O shown below has an arc of length 38 inches subtended by an angle of 86º. Find the length of the radius, x, to the nearest tenth of an inch.
1
0=86°
38 inches

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0