Answer:
a = -2
Step-by-step explanation:
7a + 10 = 2a
subtract 7a from each side
7a-7a+10 = 2a-7a
10 = -5a
divide by -5
10/-5 = -5a/-5
-2 = a
check
7 (-2) +10 = 2(-2)
-14 + 10 = -4
-4 = -4
----------------------------------------------------------
Allowance
----------------------------------------------------------
$25
----------------------------------------------------------
Video Game
----------------------------------------------------------
6% 0f 25
= 0.06 x 25
= $1.50
----------------------------------------------------------
Answer: $1.50 were spent on video game
----------------------------------------------------------
The answer is
Thirty residents who live within a 2 mile radius of natashas school.
Here's the link to the answer.. 69.08
Given expression is 35, 36, 37, 38...
First term a = 35
Common difference d = 36-35 = 1
Nth term of arithmetic sequence is:


To find the 100th term, substitute n = 100


Correct option is B