Convert 0.0075 to a percent.. . a) 0.075%. b) 0.75%. c) 0.0075%. d) 75%

Can any one me with the answers to these questions asap?

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.

Meee i honestly dont know what this question talking about