In the year 2010, Troy's boat had a value of $23,000. When he bought the boat in 2006 he paid $25,500. If the value of the boat depreciated linearly, what was the annual rate of change of the boat's value?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?