Answer:
60th caller.
the 12th caller would hit a number divisible by 20 at 60.
12,24,35,48,60
Answer:
x=-6
Step-by-step explanation:
2x+y=-4
5x+3y=-6
solve :
multiply first equation by 3
6x+3y=-12
5x+3y=-6
subtract the two equations : 6x+3y-5x-3y=-12-(-6)
x=-12+6
x=-6
Answer:
y=(7)^x represents the exponential growth
