Answer:
ok thank you
Step-by-step explanation:
$9 per hour
the answer is 9h because if you tried to find out how much she earns after 10 hours you would do 9*10=90 not the other one
Method 1.
Use 

Method 2.
Use distributive property: (a + b)(c + d) = ac + ad + bc + bd

Answer:
x= -1/2
Step-by-step explanation:
1. Create an equation
8x+4=0
2. Subtract 4 from both sides of the equal sign
8x = -4
3. Divide 8 from both sides of the equal sign to get x by itself
x= -4/8
4. Simplify
x= -1/2