Arock is thrown downward with velocity 10 ft/sec from a bridge 100 ft above the water. how fast is the rock going when it hits the water?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?