You buy a shirt on sale for $20. This sale price is 20% off the original price.
How much was the original price of
the shirt?

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)