I think it's A because of PEMDAS so you multiply 8 by n-3
Since the bottom shape is a semi-circle, the 3yd is the radius making the triangle's area 7 x 3 / 2 = 10.5
The semi-circle's area is
/2 = 14.14
Combined, you get an area of 10.5 + 14.14 = 24.64
Answer:
$5.19
Step-by-step explanation:
→ Write the ratio
3 : 15.57
→ Divide both sides by 3
1 : 5.19