Answer:
11
Step-by-step explanation:
| | takes the absolute value of a number so it wouldn't be negative
Answer:
Step-by-step explanation:
B. The system has infinitely many solutions. The system has one solution.
6 and 1/2= 13/2. 13/2*1/6=13/12 so they spent 1 and 1/12 of an hour on recess
Answer: 
Step-by-step explanation:
You need to remember the Product of powers property:

Then, knowing this property, now you have to apply the Distributive property. So:

Finally, to simplify this expression, you need to add the like terms.
Therefore, you get that the product is:

Multiply the 4 and 5, and add the exponents