Answer:
60.7
Step-by-step explanation:
multiply 7 3/4 by 4, then multiply 4 5/8 by 4, then 2 4/5 by 4, then add it all together to get your answer.
Answer:

Step-by-step explanation:
We can apply Pythagoras' Theorem.

Answer:
C = 25.12 , A = 50.24
Step-by-step explanation:

C = 8 * 3.14 = 25.12
A = (4*4) * 3.14 = 50.24
Answer: -9.999e+23
I don't know what you're up to.