Step-by-step explanation:

Answer:
Step-by-step explanation:
The answer is 10.0
Answer:
9
Step-by-step explanation:
Answer:
a) 21
b) 78.5 - 28.3 - 12.57 = 37.63
Step-by-step explanation:
For the triangle, you want to use the formula 1/2 base times height and then subtract 2 time 2. For the circle, the formula is pi times the radius squared. Then, subtract the other circles using the same formula. I hope this helps! Please mark me brainliest because I have been scammed many times. Please and thank you.
Answer:
7(100-1)
Step-by-step explanation:
That's it right there