Answer:
x=50
Step-by-step explanation:
This is a vertical angle, so the angle on top and the bottom are equal
[2(x+10)]=3x-30
2(x+10)=3x-30
2x+20=3x-30
50=x
Mellisa will win because she has alot of balls
Answer:

Step-by-step explanation:
step 1
Convert mixed number to an improper fraction
so

step 2
Divide the total gallons of paint by two

step 3
Convert improper fraction to mixed number

Answer:
Coefficients are 20, 6, 2 and 7
Your variables are your letters in the equations so x and y are your variables in this case.
Your constants are the same as your coefficients I believe (I will include images so you can be sure)
Your terms are what are in between the signs so 20, 6x, 2y and 7
Here you go henderson :)