Formula is A=1/2x(b1+b2)xh

Use the formula of the area of a trapezoid to find the height of a trapezoid with the base of 8 inches and 6 inches and an area of 112 square inches. what's the answer?
PLEASE HELP!!!

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Twelve less than a number is at most 20