How many solutions do these have? ?y=4x+3; 2y-8x=3 1 2 infinitely many none x-4y=12; 5x-20y=60 1 2 infinite none y-7x=-14; 7y-49x=-2 1 2 infinitely m

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.

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Complete the steps to find 4.830 ÷ 5