the electricity goes out in a house. the temperature in the house changes by -8 fahrenheit in 4 hours. on average, by how many degrees is the temperature changing per hour?

-2 degrees per hour

Step-by-step explanation:

-2 degrees per hr

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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