Answer:
Step-by-step explanation:
<u>Pythagorean Theorem: a² + b² = h²</u>
1)
5² + 12² = h²
h = √169
h = 13
2)
a² + 12² = 15²
a² = 15² - 12²
a = √81
a = 9
O negative
5 and 3/5ths is the answer to your question
-3
its the middle number so you put them in order and get the ndeswer just whatevers in the midde
-9 -6 -3 -2 8
