16 would be the range. The lowest value is 5, and the highest value is 21. You just subtract those two which gives you 16! (:
$6.93
you just multiply $99 by .07 since that’s the percentage
A rational number is any number that can be turned into a fraction....it can be negative or positive.
Therefore, -12/6 is a rational number
The answer is the lengths of all the sides/D you welcome
Take the 2 times you are given and add them to x and divide the entire left side of the equation by 3:
54.3+56.1+x/3=55
54.3+56.1+x=165
x=54.6
The 3rd lap took him 54.6 seconds to run