For any point to be in the first quadrant, it must have a positive "x" value and "y" value.
If x = 1 then y = 2, a point with both x and y positive values which would be in the First Quadrant.
Answer:
the cost of talking for 15 minutes would be $1.5
15x0.1=1.5
for $50 you could talk for 500 minutes.
50/0.1=500
double check, 500x0.1=50
Answer:24
Step-by-step explanation: