It would be 33.333333% Likely to be a boy or a girl.
Answer:
21
Step-by-step explanation:
Negative times negative is positive.
-3(-7) = 21
your calculations for volume (pi x r^2 × h) and surface area (2 × pi × r (h+r)) are correct. However your ratio are incorrect. From the formulas the ratio of surface area to volume would be r×h:2(h+r)
The value of the expression is 630.
