Answer:
B
Step-by-step explanation:
The sides are not equal. You substitute the coordinates into the equation which gives you -11=-4 x 3
which solves to -11 = -12
therefore the sides are not equal
Use Symbolab for math problems, it helps alot especially on tests.
Answer:
Step-by-step explanation:
The linear function that models the total cost for x deliveries is:

-------------------
A linear function has the following format:

In which
- m is the slope, that is, the rate of change.
- b is the y-intercept, that is, the value of y when x = 0.
In this problem:
- Fixed cost of $9 per month,
. - Cost of $2 for each delivery, thus
.
The function for the <u>total cost for x deliveries is:</u>

A similar problem is given at brainly.com/question/16270359
Answer:
Hi,
Step-by-step explanation:
Answer B : 51
1+4+7+10+13+16=51