Answer: C is correct, 4x=8
Step-by-step explanation:
You will add the two equations...
4x-8=0
Now you need to move the -8 over, which reverses its sign to positive.
4x=8
C=3 that’s the answer I think
Answer:121
Step-by-step explanation:
Answer:
$9.30
Step-by-step explanation:
shipping and handling cost = percentage of shipping and handling x price
30% x $31
0.3 x $31 = $9.30
Answer:
(8,-6)
Step-by-step explanation:
The rule is (x,y) becomes (-y,x). You can find all of these rules online.