Answer:
So when you have kids and your own house you need to pay taxes and if your at a restaurant you have to give tips and if you don't know how to calculate, you might end up paying more than expected or less than expected.
y= z-3x/4
Step-by-step explanation:
4y=z-3x
y=z-3x/4
12
Plug the given values into the equation to solve.
a² - b²
(4)² - (-2)²
16 - 4
B) n3 + 4n2 + 8n - 16
combine 2n3 - n3 = n3
4n2 stays the same
combine -7 - 9 = -16
8n stays the same
n3 + 4n2 + 8n - 16