16 3/4 + 12 3/4
16 +12 = 28
3/4 +3/4 = 1 1/2
28 + 1 1/2 = 29 1/2 hours total
Answer:

Step-by-step explanation:
The slope of a line given two points can be found by using the formula

From the question we have

We have the final answer as

Hope this helps you
Answer:
3

Step-by-step explanation:
You can solve for any variable. From the first equation, let's solve for c :

Now, replace the value of c into the other equation:

Using distributive property

However, keep in mind that this is true for:

Answer:
there is no division problem
Step-by-step explanation: