Devi bought 8 m of ribbon.
she made 6 bows.
she used ⅝ m of ribbon for each bow.
how much ribbon did she have left

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)