I and II
When a graph has a solid line, solutions lie ON that line, whereas if it was a dotted line, solutions lie only on the shaded side of that line, not the line itself.
Answer:
-5
Step-by-step explanation:
The coefficient is the number attached to the variable.
Answer:19.42 is the answer
Step-by-step explanation:
Answer: 
<u>Step-by-step explanation:</u>










Answer: First option
12 candy bars were sold
Step-by-step explanation:
Call x the amount of candy sold and call z the amount of cookies sold. Then we know that

We also know that candy bars sell for $ 3 and cookies sell for $ 5. The profit was $ 76
So:

To find the quantity of candy bars sold we must solve the system of equations:

Multiply the first equation by -5 and add it to the second equation

+

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