Answer for brainlest and 10 points

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

their is no graph showing

step-by-step explanation:

answer: you need the equation in the question so i can answer it

step-by-step explanation:

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

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