The ratio of the lengths of
and
is 2 : 1.

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square