A low tide is 1 foot below average water level.
High tide is 5 feet higher than low tide.
Write an integer that represents the average water level relative to high tide.

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?