Answer:
false
Step-by-step explanation:
If the vertical line hits more than 1 point it is not a function because the x value cannot repeat in order for it to be a function
Answer: 
Step-by-step explanation:
Let be "x" the original volume of the solution (in milliliters) before the acid was added and "y" the volume of the solution (in milliliters) after the addition of the acid.
Set up a system of equations:

Applying the Substitution Method, you can substitute the second equation into the first equation and then solve for "x":
Answer:

Step-by-step explanation:
Given Surface Area of Cylinder =
,
and also given r = 4.25 inches and h = 6 inches.
Let's Substitute r and h into the formula to find the total surface area.
Surface Area of Cylinder = 
Answer:
How can we help? :) I would love to.
Perimeter= 2l+2w
p= 2(2x)+2(x+3)
Distribute
p=4x+2x+6
Combine like terms
p=6x+6
Final answer: 6x+6