2. 225
4. 25/36
6. 0.001
8. 8-20=-12
10. 34-16=18
12. 15/5=3^3=27
14. ?? confused...
16. 8
18. 11.5+4=15.5
20. 3(225)+10=675+10=685
Answer:

4² =16
5² =25
Step-by-step explanation:
Take the perfect squares and determine if 17 is closer to the 2 square roots it is in-between. In this case, 17 is closest to 16.
It is 1/4 (.25), 1/2 (.5)and 7/8 (.875) from least to greatest
Answer:
=5/6
Step-by-step explanation:
3x−5=−3x
3−5+5=−3+5
We know that the pool drains at a rate of 8 gallons per minute. We can multiply 8*11. 8*11 is 88. We can now subtract 88 from 143. This gives us 55. The swimming pool has 55 gallons of water after 11 minutes.