The length of the segment from –3 to 0 on a number line is shown. Which equation is represented by the diagram?
A) |–3| = 3
B) |3| = |–3|
C) 3 + 0 = 3
D) 3 – 0 = 3

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Twenty points. 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