Jack broke apart 5 times 216 as (5 times 200) + (5 times 16) to multiply mentally. what strategy did he use?

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

How do you use the elimination method for this question? explain, because i really want to understand!

Which graph represents the function g(x) = |x + 4| + 2?