Answer:
$115 is the correct answer please mark me as brainliest
Answer:
Step-by-step explanation:
P = x^2 + 6

Solving for 4x^2:
P = x^2 +6
P - 6 = x^2
4(P - 6) = 4x^2
Substitution:

X=3/56 Hope My Answer Helps You (:
Answer:
https://quizlet.com/141193969/mirrors-and-lenses-flash-cards/ i dont know
Step-by-step explanation:
Answer: No
Step-by-step explanation:
Add 2 sides together. If the sum of greater than the length of the 3rd side for all 3 options it can form a right triangle if it doesn’t than it can’t:
9 + 12 = 21 which is not greater than the 3rd side length of 21 so this cannot form a right triangle.