Answer:

Step-by-step explanation:
Problems like this require that you recognize that the denominator of the right term is a factor of the denominator of the left term. That is, you're supposed to know how to recognize and factor the difference of two squares.

That my dear friend is... 25
Answer:
14/100 and 7/50
Step-by-step explanation:
Basically you convert the decimal into a fraction, 14 percent is the same as 14/100 and if you simplify that then you get 7/50
8159 divided by five times two then, divide that by twenty and multiply by 13, The answer is about 2611 kids wore helmets properly while riding bike