From a balloon 760 feet high, the angle of depression to the ranger headquarters is 89°18'. how far is the headquarters from a point on the ground directly below the balloon (to the nearest foot)?

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

What is the solution of the systems of equations? y=2/3x+3 x=-2