Tristan's flight was 180 minutes one way. how many hours did he spend flying round trip?

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

your answer is the frist one

hop i

answer: 193

explanation:

200-7 = 193

113.1

step-by-step explanation:

v=4

3πr3=4

3·π·33≈113.09734