To find the output when you know the input, just plug the input into the function.
x+21=4+21=25
The output is 25.
Hope this helps!
2k = 25
Divide 2 on each side
k = 12.5
Each pizza would cost $12.50
Hope this helps!
Answer:
-4/3
Step-by-step explanation:
If the lines are parallel, they have the same slope.
Since the red line has a slope of -4/3, the green line will have a slope of -4/3
i need more information to solve this