X = -1 is the answer to -2x2+x+8=0
The number is 8 since 9 squared is 81
Answer:
<em>$30 </em>
Step-by-step explanation:
Add each month's earnings, then divide them by ow many months.
29+35+26=90
90/3 = 30
Answer = Thirty dollars .
For this case we have the following function:

We must find the value of the function for 
We have then:

Rewriting the function we have:

Answer:
The value of g (-5) is given by:

I can't really give an explanation, since it's just multiplication, so here are the answers:
1. 32
2. 12
3. 24
4. 40
5. 20
6. 12
7. 12