PLEASE HELP WILL GIVE BRAINLIST EVERYTHING IS ON THE TOP PLS HELP IM BEGGING U

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Ineed in figuring out this problem.

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.