I only need help on 2 questions i already did the first one and the second one please 2. use the histogram to answer the question

about how many students slept for 8 or more hours

A. 130

B. 45

C. 150

D. 25

3. how many more students watch 6 to 7 hours of tv a week than watch 2 to 3 hours of tv a week

A. 10

B. 8

C. 6

D. 7

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.

b and c

step-by-step explanation:

answer: 0

step-by-step explanation: the positive, like 5, + its opposite, like -5 would be 0

5+(-5)=0, or 5-5=0