Answer:
this is not a equation.
Step-by-step explanation:
sorry. Do you mean y+7=-3x or something?
Answer:
20
Step-by-step explanation:
We can set up a percentage proportion to find the value of x.

Now we cross multiply:

Hope this helped!
$124.56 because if you have 63% you change it to a decimal so it is not .63 and you multiply it by 146.16 and then add the 35 you get 124.56
Answer:
He has 26 students
Step-by-step explanation:
78/3=26
Becase 3x9=27 27/100 would be the awnser and is already in simplest form