Find the highest common factor of 80 and 20

What substitution should be used to rewrite 6 (x + 5) 2 + 5 (x + 5) - 4 = 0 as a quadratic equation?

How to write 8,880 in expanded form

How do i write a linear equation in slope intercept from for the following situation, through: - 1,-1, perpendicular to y=-2/3x 4?

6, 9, 15, 24, 36, 51,?

The length of a rectangle is units greater than twice its width. If its width is w, which expression gives the perimeter of the rectangle in terms of w? 2 (w) + w w + w 3w + 6w + 5

Elizabeth makes earrings. She makes 7 pairs in 3 hours. About how long does it take her to make 1 pair?

An Architect drew the blueprint for a new office building he use a scale in which 1 inch represents 7.5 feet the floor of an office in the building will have actual dimensions of 15' x 26' what will be the approximate dimensions of the blueprint

What is a whole number in x / 113

The ramp below has a height of 26 feet and a slant length of 30 feet. What is the width of the ramp in feet

A rectunglar pool is 7ft wide. it is 3 time as long as it is wide