Answer:
C
Step-by-step explanation:
(7b-4) + (-2b+a+1)
= 7b - 4 - 2b + a + 1
=7b - 2b + a - 4 + 1
=5b + a - 3
Answer:
The expression that represents how much more Elena spent is $3.2 + p
Step-by-step explanation:
Answer:
109 inch
Step-by-step explanation:
we know that

So,

So, length of lamppost is 109 inch