Kelsey solved the following equation 7x-1/2(8x+2)=6

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.

15 liters is approximately how many gallons