Given the following system of equations,

a) build an augmented matrix to represent the system of equations,

b) show the elementary row operations that lead to a reduced row form, and

c) find the solutions to this system of equations

After completing parts a–c enter the solution* to in the box.

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.