The length of a rectangle is as twice as great as it's width. when both the width and height are increased by 5 inches the new rectangle has a premetwe of 80 inches. what are the original length and width

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)