Find the length of the unknown side. Round your answer to the nearest tenth. (4 points)

Group of answer choices

65.4

70.5

72.8

93.0

Which shows one way to determine the factors of  x3  +  5x2  –  6x  –  30 by grouping? x(x2  –  5)  +  6(x2  –  5)x(x2  +  5)  –  6(x2  +  5)x2(x  –  5)  +  6(x  –  5)x2(x  +  5)  –  6(x  +  5)

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2