Answer:
30%
Step-by-step explanation:
10-7=3
3/10×100
=30%
Answer:
15 hours
Step-by-step explanation:
is the number of hours that Liam volunteered in the first month
The next month he volunteered 
times the time he volunteered the first month.
Total time he volunteered in the two months is 40 hours so
Time he volunteered in the first month is 15 hours.
(2,7) is going to be the answer for that
Answer:
D. The area to the left of 7.5
Step-by-step explanation:
If fewer than 8 passengers do not show up for a flight, then at most 7 passengers do not show up for a flight. Therefore, applying continuity correction, the area under the curve must comprehend from zero to seven passengers not showing up, but not the 8th passenger. Thus, the area must be to the left of 7.5.
The answer is D. The area to the left of 7.5.
