Question

pls help. I will mark u brainliest. I will follow u.
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Answer 1

Answer:

15 is the answer mark me as brainlist

Answer 2

Answer:

ans is 15

Step-by-step explanation:

Ab^2 + Bc^2 = ac^2

(9)^2 + (12)^2 = ac^2

9 ×9 + 12 × 12 = ac^2

81 + 144 = ac^2

ac = 15

hope it helps

plz mark it as brainliest..... :)