Answer:
you got this your smart
Step-by-step explanation:
Apply the Pyth. Theorem:
c^2 = 3^2 + 7^2, or c^2 = 9 + 49 = 58. Thus, c = sqrt(58).
Put the values of the variables in place of the variables in the expression, then do the arithmetic.

Each dimension has to be 1" or bigger, otherwise the cube won't fit. _________ WAIT ! The container doesn't have to be rectangular, and that opens up a lot more possibilities. The smallest possible rectangular container is a little tiny cardboard cube whose dimensions are all 1", just like the contents. But you could also keep it in a container shaped like a pyramid, a cylinder, an egg, etc. If the container is a sphere, then its radius has to be at least 0.866 inch.
Answer:
He will be unable to tell whether a difference in exercise preference is related to a difference in age or to a difference in weight
Step-by-step explanation:
age could be a factor to exercise as well as weight so both affect the outcome so he has two samples