7 . b . 4 . a . 2
Pls help me

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.

One integer is 8 times another. if the product is 72, then find the integers

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression