Answer:
x is a variable to fill in something that is unknown. its like a question mark
Step-by-step explanation:
Plug in the x+3 for y.
8x-x+3=12
7x=9
X=1.3
Then, y= -0.25
Approximately 7.4 inches. You can use the Pythagorean theorem to get you diagonal or hypotenuse.
Answer:
See picture above
Explanation:
Hope this helps and have a nice day
Answer:
A.
Step-by-step explanation: