shawna is taking violin lessons. her violin instructor charges $33.50 per hour. if shawana has violin lessons for 3.5 hours each week, what is the weekly cost of her lessons?

definitely a. the others have almost all data points on one side of the line.

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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