Help me guys! I will appreciate it

1) d

2) 75

3) D (The hourly rate charged by the plumber)

Step-by-step explanation:

1) 15-3 = 12

12-4 = 8

10-2 = 8

20-5=15

15 is the largest number

2) 75 because 25 is where the slope begins and its not until 75 when connected.

3) The hourly rate charged by the plumber because at the side it says "total Charge (in dollars) and the number of hours.

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.