Carla's Plumbing charges $25 for a service call
and $28 per hour, h, for labor for any repair. The
total cost, t, for a repair can be calculated using
the equation below.
28h + 25 = 1
Mr. Callahan paid a total of $165 for a repair.
How many hours did it take to complete his
repair?

B. 5 hours

1. Set up your equation
28h + 25 = 165

2. Isolate the variable
28h + 25 = 165
- 25 - 25

3. 28h 140
—— = —— or 5 hours
28 28

Venus is about 108 kilometers from the sun. saturn is about 109 kilometers from the sun. about how many times farther from the sun is saturn than venus?

Which of the greatest common gcf of 32 and 48 a 16 b 96 c 8 d 32

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0