Ineed figuring out my math problem the question is :
what is the value of the expression below?

negative 0.75 subtract (negative 2/5) plus 0.4 plus (negative 3/4)

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.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts