Answer:
18
Step-by-step explanation:
a^2 + b^2 = c^2
in this case 24 is a and 30 is c
24^2 = 576
30^2 = 900
900 - 576 = 324
the square root of 324 is 18
D
The larger the number the warmer it is
I believe it is figure 1
C
3 1/2 x 2 = 7
