Answer:
Joe worked 3 hours overtime.
Step-by-step explanation:
Let t = number of hours overworked
425 + 20 × t = 485
425 + 20t = 485
20t = 485 - 425
= 60

t = 3
Joe worked 3 hours over time.
Hope this helps :)
Greetings!
Yes, the degree on a monomial can be negative:
Example:

This is equal to:

Hope this helps.
-Benjamin
Answer:
Please follow me back
Step-by-step explanation:
The Answer is 158
Answer:
Step-by-step explanation:x7y³ + 2x5y² - 3x³ - 2x4 -2 mathsolve