Answer:
substitution
Step-by-step explanation:
The formula for the area of a square is the side squared, or multiplied together.
Basically, if the side length is x, the area is x*x or x^2.
We can use that to set up an equation.
x^2=121
x=square root of 121=11
Hope this helps!
All you need to do is add all 7 job hours, and divide the total by 7. Your answer should be 7
Answer:
130 minutes total and 2 hours and 10 minutes
Step-by-step explanation:
Its correct