Which expressions are polynomials? Select each correct answer.

x2−x√+2

4x³ + y

y

2 + s

answer for #1 is c

answer for #2 is d

can i get brainliest

answer: your gay

step-by-step explanation:

you dont know math

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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