Answer:
D.24
Pythagorean states:
hypotenuse^2 = side1^2 + side2^2
30^2 = 18^2 + side2^2
side2^2 = 30^2 - 18^2
side2^2 = 900 - 324
side2^2 = 576
side2 = sqr root 576
side2 = 24
Source: http://www.1728.org/pythgorn.htm
Step-by-step explanation:
W(3) = expression on Abby's weight now
weight on first birthday (3) = weight now
It would be 1649.04 cause 824.52+824.52=
I think it is multiplying kilo and hecto meters... so i think you would have to turn the kilo into hecto and then multiply it...
Hope this helps.
