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 measure of an angle is 117°. what is the measure of a supplementary angle?

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)