Answer: False
Step-by-step explanation:
There is a very easy way to tell whether an ordered pair is a function or not. If many x's have one y, then it is not a function. Since (-1,7) and (-7, 7) both have the same y, it is not a function. Hope this helps!
Answer:
19
Step-by-step explanation:
x+y=25 => x=-y+25
x= 2y+7
x=-y+25
x=2y+7
subtract the first equation from the 2nd
0=3y-18
y=6
x=19
Answer:
<em>Good Luck!</em>
Step-by-step explanation:
Answer:
you can search that up
Step-by-step explanation:
I believe you multiply..