Use the general rotation matrix and the unit circle or inverse trigonometric functions to find the angles of rotation for the following matrices. B=[-0.3090 0.9511]
0.9511 -0.3090
72
108
144

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p