14 points
which of the following is always equivalent to the expression |x − y|?
select one:
a. x + y
b. x - y
c. |y - x|
d. |x| + |y|

What is the vertex form of f(x) = x2 + 6x + 3

Which of the binomials below is a factor of this trinominal? x^2-13+30

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.