Integers are closed under subtraction.
Okay well, if you make a graph, Point A (7,0) and Point B (4,6) are in the top right quadrant. and Point C (1,1) and Point D (5,3) are in the top left, top right, and bottom left quadrant (I'll link a photo of the graph.)
so the lines intersect and make it perpendicular
X=1, because they both have the same height (y), so they'll cross each other!
Answer:
She has paid $110.
Step-by-step explanation:
Step 1: Find out how much she pays in ONE MONTH.
$20 service fee × 3 months= $60
Dont forget about the activation fee (this fee should ONLY be counted ONE MONTH!!)
$60/3 months + $50 activation fee = $110
First you need to multiply all the numbers to get 11548845 and then for example you need to do this (77*1515)+(77*99)+(99*1515) = 274263 to get and then you need you need to add 77,1515,99 to get 1691 and then you add 11548845, 274263, and 1691 to get 11824799 and that is the total number of possible outcomes of meals that you can get.
<em> hope this helps you and the the reason I explained is so you dont have to ask this type of question again.</em>
