Answer:
x=2
ab=7
bc=5
Step-by-step explanation:
because you do
2x+3 = 4x+3
-3 -3
2x=4x
-2x -2x
x = 2
2x2+3
4+3
=7
4x2-3
8-3
=5
31 quarts, because there are 4 quarts in a gallon
Answer:
16 red and 20 blue
Step-by-step explanation:
If you look at the picture there is 16 red
So add 16+64=80 then 80+20=100
16 red
20 blue
64 yellow
Since you have the minus between the x^2 and y^2 terms it would be a hyperbola
Answer:
x=7
Step-by-step explanation:
12x-8+104=180
12x=84
x=12