Number of friends - x
50-3x=2
-3x=-48
3x=48
x=16
Jack has 16 friends.
You have to solve the two equations by eliminating x or y
<span>2x+5y=10 </span>
<span>x-3y=1 </span>
<span>Multiply all terms of second equation by two and subtract from first equation, thus eliminating x </span>
<span>2x+5y-2x+6y=10-2 </span>
<span>11y=8 </span>
<span>y=8/11 </span>
<span>x=3y+1=3* 8/11+1=25/11 </span>
<span>11x+11y= 11*25/11+ 11*8/11 </span>
<span>= 25+8=33</span>
Answer:
A
Step-by-step explanation:

Answer:
The answer is 2, it gradually rises from left to right
Step-by-step explanation:
Open interval<span> is an interval that does not contain its endpoints</span>