Answer:
b = 15
Step-by-step explanation:
Solve for b:

Cross multiply:

Answer:
54.609 < 54.69
Step-by-step explanation:
54.69 is closer to a whole number than 54.609 making it the greater number
Answer:
10.37
Step-by-step explanation:
find the area of the whole rectangle which is 30 then find the area of the circle which is 19.63 then subtract 30-19.63
Answer:
answer is 85 cm I hope it help
Answer:
I think it's the first or third