Answer:
-10
Step-by-step explanation:
you did not have to come on here for this annswer could have subtracted -7-3=-10
L*w=6*20
6*15= 90m
20*15=300m
l*w= 90*300=27000m <-- area
This is the commutative property of addition. It basically says, x+y=y+x.
To answer your question, 103+21=21+103
Answer:
x y-values
1 175
2 175
3 225
4 275
The domain is 1,2,3,4 it would be from 1 to 4 if the electrician bills for partial hours, or greater than 4, but this is not in the chart.
The range is 175,225,275. Again there could be other values in between or greater than 275, but it is not in the chart.
Step-by-step explanation: It is a function because for each x-value there is only one y-value, even if the y-value is the same for two of the x-valus