You scored 80 points on your first math test. On the next test you scored 96 points. What is the percent increase?

20%

Step-by-step explanation:

96-80/80 *100

16/80*100

1/5*100 =20

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.

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.