Answer:
C
Step-by-step explanation:
-4+9=5
To get the value of n in the problem above, divide the sum by the number of n's added together. From the given, n + n = 24, there are only two n's added together. Hence, divided 24 by 2. The answer to this item is 12.
31 + (4*2^2 + 8*2) + (3*2^2 + 5*2 + 20) + (7*2 + 30) = 129
Answer:
19
Step-by-step explanation:
20 subtract 1 equals 19
Answer:
3+6n=
Step-by-step explanation: