-12/-9=y/-4
cross multiply
-9y=48
divide by 9 on each side
y= -5.33
Pythagorean Theorem: a^2+b^2=c^2
(9)^2 + b^2 = (23)^2
81 + b^2 = 529
b^2 = 529 - 81
b^2 = 448
b^2 =

b = 21.2
Answer:
x is more than or equal to 77
Step-by-step explanation:
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