The equations were multiplied by constants and added together to determine that the value of x in the system of equations is –20.
1/5x - 1/3y = -1
-3/4x + 1/3y= 12
a- –15
b- -9
c- 9
d- 15

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.