The area of a rectangle is 56 square feet. the ratio of the width to the length is 2: 7. find the length and the width.

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

If y varies directly as x2 and y=6 when x=6, find the constant of variation.