For this case we have that by definition, the slope of the line is given by:

According to the statement we have:

Substituting the values:

Thus, the value of 
Answer:

4/5 + 8/9. First we have to find a common denominator for

and

.

Now we are going to add:

Make

a mixed number:

So the answer is
Answer:
She will need 7 tanks of gas. It will cost $273.
Step-by-step explanation:
First, we divide the amount of miles that she needs to go by the amount she can drive on one tank.
2240/320 = 7
She will need 7 tanks. Multiply the cost of one tank by 7.
$39*7 = $273
It will cost $273 total.
I think it is D, Hope this helps!
Answer:
8x + 5
Step-by-step explanation:
5 * (2x+1) = 10x +5
10x + 5 -2x
8x + 5