1 24
2 .41
3 180
4 2000
5 46
6 .18
7 60.5666
8 6.5
9 128
10 .8
11 3.628739
12 4000
pretty sure juh looked it up hope it helps!
Question: What is the solution to the equation 
Answer: 
Explanation: 
[ Step One] Subtract 9x From Both Sides Of Equation

[ Step Two ] Simplify Equation

[ Step Three ] Divide Both Sides By -7

[ Step Four ] Simplify


Answer:
B-How many books have each of my classmates read this year?
Step-by-step explanation:
Every year the number of books each classmate read would be different
Answer:
5-1=4 and 5+4=9
Step-by-step explanation:
We know that Heidi has x donations. We also know that Granpa has 2 fewer donations than Heildi, which means to subtract so x - 2. We also know that there are 7 donations in all. This tells use donations = 7 in all. So
Heidi donations = x
Grandpa = x - 2
Heidi + Grandpa = Total donations
x + (x-2) = 7