Step-by-step explanation:
it's it's a photo hope this will help you
In formula, you take length * 2 + width *2 = perimeter
2L + 2W = P
put in the numbers and
2 (99) +2W = 342
198 + 2W = 342
2W = 342 - 198
im sure you can do the rest. PM me for additional help, Good luck!
Answer:
Functions: Second Graph
Step-by-step explanation:
The other two are not. Use the vertical line test. I'm pretty sure but not 100%
Answer:

Step-by-step explanation:
To solve this problem, first you have to isolate it on one side of the equation. Subtraction property of equality is subtract from both sides of an equation the same number doesn't change the equation.
First, subtract 4 from both sides.

Solve.

In conclusion, the correct answer is n<9.