You can use the pythagoras theorem.
20^2=5^2+x^2
x^2=400-25
x^2=375
x = 19.36
20-19.36=0.64 feet
The answer is 0.64 feet :)
Answer:
The third sentence is wrong.
Step-by-step explanation:
It is not 2 divided by a number equals 14. 7 is divided by a number and equals 14.
Answer: 11.4
Step-by-step explanation:
Negative exponents work like this:

So, you have

This number is less than 1, so she will play tennis.