Which of the following equations have infinitely many solutions?

l. 6(2 x + 4) = 3(4 x + 8)
ll. 0.5(8 x + 4) = 4 x + 2
lll. 7 x + 8 = 7(x + 8)
lv. 3 x + 4 = 7 x - 2
v. 2(6 x + 4) = 4(3 x +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.