Answer:
6+15x
Step by step explanation:
Expansion
The answer is g=13 I hope this helped
Answer:

Step-by-step explanation:
we know that
The formula to find the sum is equal to

where
a1 is the first term
an is the last term
n is the number of terms
In this problem we have



substitute the values in the formula

Answer:
352
Step-by-step explanation:
(216-128)*(4)
(88)*(4)
352