Write this ratio as a fraction in simpliest form 7 gallons to 16 quarts

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

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

We just started the introduction into circles and i have no idea how to do this.