Can someone help me pls

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

Select the lengths in centimeters that would form a right triangle

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b