Please show all work to receive brainiest! 100 points!

see below

Step-by-step explanation:

a. Range of group 1 = 65 - 31 = 34 and range of group 2 = 64 - 32 = 32

b. Group 1 had 5 numbers in the 40s and group 2 had 4 so since 5 > 4 the answer is Group 1.

c. The median of Group 1 will be the 9th term which is 46 and the median of Group 2 will be the average of the 8th and 9th terms which is (50 + 52) / 2 = 51 so since 51 > 46 the answer is Group 2.

Step-by-step explanation:

(a)

range = largest no. - smallest no.

group 1: 65 - 31 = 34

group 2: 64 - 32 = 32

(b)

group 1: 42, 42, 46, 46, 46

group 2: 43, 44, 44, 46

group 1 has more typing speeds.

(c)

median is the middle number.

group 1: 31, 33, 35, 37, 42, 42, 46, 46, 46, 50, 53, 54, 56, 56, 57, 57, 65

group 2: 32, 35, 38, 43, 44, 44, 46, 50, 52, 53, 53,  55, 56, 56, 60, 64

(50+52)/2 = 51

46 < 51 group 2 has a larger median value.

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.

900 degrees

step-by-step explanation: