Answer:
42.5
Step-by-step explanation:
35+7.5=42.5
2(3.14)r = Circumference
r = d/2
r = 43
2 x 3.14 x 43 = 270.04 cm
Answer:
Step-by-step explanation:

∴Zero power of any number is equal to 1
Answer:
according to another user on Brainly the variable is n=-21
Step-by-step explanation:
subtract 986 from both sides first.why? Because that is that is going to isolate the variable.
hope this helps! :)