The mean salary of five employees was $68000 before the highest paid employee got a $30000 raise, and the median was[..]

1. The motorboat could go 15 miles downstream in 3 hours, but took 2 hours longer to go 10 miles upstream. What is[..]

A piece of foil is 6.0 cm by 7.0 cm by 0.010 cm and has a mass of 3.6 g. Calculate its density.

A rectangular piece of aluminum foil has a mass of 0.92g. Given that the density of the aluminum is 2.7g/cm,[..]

If Giselle's height after 1 year was 53 and 7/8 in one summer and the following summer was 62 3/5, by how much did[..]

a toy rocket is shot vertically upward from the ground. its distance in feet from the ground in (t) seconds is given[..]

a lot is in the shape of a right triangle. the shorter leg measures 120m. the hypotenuse is 40 m longer than the[..]

two pipes together can fill a large tank in 10 hours. one of the pipes, used alone, takes 15 hours longer than the[..]

Determine it's perimeter and area. The figure is a rhombus. It's side length is 13. One of the diagonals is 24.

Find the lengths of the bases of the trapezoid described. The height is 3 feet. One base is twice as long as the[..]