Saul earned $25 for painting his neighbor's fence. he spent $11 at the store and put the rest into his bank account. how much money did saul put in his bank account?

What is perpendicular to y=-1/2x+11

The key on a road map has a scale factor of 1.5 inches = 50 miles. the distance between santa fe and albuquerque measures 7.5 inches. the distance between santa fe and taos is 0.75 inches. what is the actual distance between the cities?

Find the area of the surface obtained by rotating the curve z=4e^2y from y = 0 to y =1 about the y-axis. the area is square units