Four plumbers each charge a flat fee plus an hourly rate for repair visits. The table shows their total costs for repairs that required various amounts of time. Total Cost of Repairs
Hours needed for repair
Cost for plumber
A
Cost for plumber
B
Cost for plumber
C
Cost for plumber
D
1
$35
$55
$50
$50
2
$65
$75
$75
$60
3
$95
$95
$100
$70

Which plumber charges the greatest hourly rate?

3/20

step-by-step explanation:

well, there are 20 outcomes, and 3 of them you want. so, 3/20

answer: 33 ( approx)

step-by-step explanation:

since, in the linear regression formula, the slope is the a in the equation y = b + ax ( by comparing it with the general equation of line y = mx + c )

where,

here given table is,

price ($), x   :           18         23       25       29       30       33

pairs sold, y :         16         13         10       8         6       2

so, ,   ,   ,

and   ,

thus, slop of the given line is,

⇒  

⇒   ≈ 33

the eight graders whould be the answer

step-by-step explanation: could you give me 5 stars

let me get back to you on this one.

step-by-step explanation: