Answer:
445 dollars
Step-by-step explanation:
You are given he charges 47.5 per hour so 47.5x is how much you will pay for x hours and he charges a 65 dollar service fee.
So together he is charge you 47.5x+65 for x hours.
If it spends 8 hours, the cost will be 47.5(8)+65=445.
Answer:

Step-by-step explanation:
= 

Area= base x altura dividido entre 2
Answer:
$21,900
Step-by-step explanation:
1,825 x 12 = 21,900
All you have to do is multiply
Answer:
(-2,1)
Step-by-step explanation:
Just identify what point on the graph the lines intersect.