Mario’s back yard is in the shape of a trapezoid. The bases of his back yard are 30 and 40 feet long. The area of his back yard is 525 square feet. Write and solve an equation to find the height of Mario ’s back yard.

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 term makes it inconsistent y=2x - 4 ?

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?