Denise bought 5.2 pounds of rice for $5.29. using the unit rate, how much would 2 pounds of rice cost?

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

Can someone me out here and the tell me the greatest common factor

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30