Answer:
D
Step-by-step explanation:
The domain is the x value which in this case would be the hours of training
Answer:
y = 3x + 4
Step-by-step explanation:
1x25=25
5x5=25
1x20=20
2x10=20
4x5=20
x^5 is the biggest you can take out of x^5 and x^6 and 5 is the biggest number you can take out of 20 and 25
5m^5
Answer:
Step-by-step explanation:
In order to combine like terms, you have to isolate x and y from one side of the equation.

<u>First, thing you do is remove parentheses.</u>

<u>Solve.</u>
<u>Then, you combine like terms.</u>

<u>Add/subtract the numbers from left to right.</u>
-8z+3.5z=-4.5z
<u>Rewrite the problem down.</u>

<u>Solve.</u>
4.5-1.5=3

- <u>Therefore, the correct answer is 7y+3-4.5z.</u>
I hope this helps, let me know if you have any questions.