What does 7-9+(9-5)^2-4*(-6/6)+8-3*100 equal?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.