How do I solve these two?

1.D

2.B

Step-by-step explanation:

For the first one divide see which one is less which is D

For the second one Ive always used the method kcf keep change flip so you keep the change ÷ to multiplication so then flip so the equation would be

x so multiply the 15 by 9 then you get 135 then divide by 2 so thats your answer

7. 153.86 ft

8. 12.56 ft

9. 78.5 m

10. 379.94 in

11. 132.665 m

12. 12.56 yd

13. 226.865 ft

14. 113.04 ft

15. 63.585 ft

16. 254.34 m

17. 50.24 cm

step-by-step explanation:

7.

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17.

2,600 divided by 80 = 32.5

step-by-step explanation: