Number of bicycles is 15
number of go karts is 6
Answer:

Step-by-step explanation:
Equation: 
1). 
2). 
7 is the answer i hope this helps
Answer:
y = 3x - 10
Step-by-step explanation:
It's not an option, but you already said in the instructions that the y-intercept is -10.
y = mx + b
M is the slope and b is the y-intercept.
The slope of this line is m=1