Sheri made the list shown of costs she expects this week. to what percent should sheri round the gratuity for the restaurant server in order to come up with a good estimate?
a. 10%
b. 15%
c. 20%
b. 30%

c

step-by-step explanation:

at least i think its

the answer is 0.3175 hope that you ^w^

also you might actually want to put this picture up if you want people to solve it luckily i remember this question

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.