An electrician charges a $100 flat fee, plus $75 per hour to work on a house. Complete the table that shows the cost of hiring the electrician for 1, 2, and 3 hours.

hours:      $ per hour:        fee:                 total:

1               $75                $100             $175

2              $150              $100             $250

3              $225             $100             $245

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm

attachment?

step-by-step explanation: