Answer:
Step-by-step explanation:
1.
c+9=±8
either c=8-9=-1
c=-8-9=-17
so c=-1,-17
D
2.
8x^2-3=2
8x^2=5
so A
3.
so D
or
Answer:
y=5/8
Step-by-step explanation:
The GCF of 26 and 70 is 2.
Flat doesn't change
2 changes with x
y=2x+5
yint is 5
to graph
start at center and go 5 up, that is y intercept
go 1 right and 2 up, that is another point
y=2(2)+5
y=4+5
y=9
cost $9 to rent for 2 hours
18.) 13.796
19.) 39.99
21.) 14.82
22.) 2.23
The decimal doesn't matter for subtraction and addition. It just goes down with the answers.