Answer:
3(4+n) = 12+n is an equation that could be used.
12n = 12+n
11n = 12
n= 1+1/11
Step-by-step explanation:
Divide 2 by 74 and simplify into brackets
Answer:
314.2
Step-by-step explanation:
A = π r2
10x10 = 100
100 x 3.1416 (Only a little bit of pi)
314.15927
314.2