Comparing linear function answers and explained please

1. Rate of Change ( might not be correct )

2. Rate of Change ( might not be correct )

3.

x | y

2|30

                                                      Numerators

                                                          V     V

Dj 1 = $25 an hour | change in y = 30 =  15

Dj 2 = $15 an hour | change in x =  2 =    1

                                                         ^       ^

                                                    Denominators

4.

Number of hours | Cost

1 = 8

2 = 16

3 =  24

changes in y

changes in x

melanie = $7.50 per hour

Luisa = $8 per hour

melanie charges less

5.

x | y

3 | 24

Lisa = 24   = 8

           3       1

tom rate = 11 miles per hour

lisa rate = 8 miles per hour

Tom traveled quicker

1) c 2143.6 cm

2) c 113.0 m

3) a 33.5 ft

4)   d 2 cm

5) c 20 mm

6) 180 in

7) d 120 ft

idc

step-by-step explanation:

idk