A plumber charges $60 for a service call, plus $40 per hour for any work completed, Which graph below shows the total amount the plumber charges, c, for a service call and h hours of work? (ACED.2)
Ов,
500
500
4400
400
300
300
Plumber charges (C)
Plumber charges (c)
200
200
100
100
0
2 6 8 10
Hours of work (h)
2 4 6 8 10
Hours of work (h)
0 р.
500
500
400
3400
mber charges (c)
300
300
5
200
200
10
E 100

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.