A camera is mounted at a point 4000 feet away from a geyser. If the water is rising vertically at 900 ft/s when it is 3000 feet above the ground, how fast must the camera angle of elevation change (in degrees per second) at that instant to keep the top of the water in the frame?

A. 8
B. 8.25
C. 9
D. 9.5

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches,and a length of 3.2 inches?