A right triangle has side lengths that are consecutive integers and a perimeter of 12 feet. What are the angles of the triangle?

7x+8y=-18, 4x-9y=-3 solve the system of equations

What dimensions can créate more than one triangle ?

The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?