Jawad’s bedroom has one wall that does not have a door or window. Part A estimate the area of the wall. Write an equation to model your work

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.

Can someone me do math because i am having a breakdown rn because i don’t get it

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?