Amusic store sold 200 guitars in 2007 the store sold 180 guitars in 2008 the number of guitars that the store sold is decreasing exponentially if this trend continues how many guitars will the stores sell in 2012

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Which of the following circles have their centers in the third quadrant?