Please help with both of you can!

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

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.

In the triangle rst, rs = 65 and st = 60. which equation could be used to find the value of angle s?