It may be 7 tandems. I am pretty sure because 7*2=14 so 30-14=16 and 23-7=16
Answer:
Step-by-step explanation:
Plug the first equation into the second

y=-2(-15)-5
=30-5
=25
3550 to the nearest 1000 would be 4000
Answer:
the x axis is the one that lies flat horizontal this is called the run. the y intercept is the one that goes up and down standing. now you have to plot a dot on the line x moving toward the negative 1 and go up to y meeting up to 4 and that should give you the line to graph