Question

Urgent help needed. Will mark you brainlest when correct

Answer 1

Question 7: Option (4)

$A=(3/8)^2=\frac{9}{64}$

Question 8: Option (3)

$A=\frac{1}{2}(17)(9)=76.5$

Question 9: Option (2)

$A=\pi(10)^2 \approx 314$