Which expression is represented by the set of algebra tiles below? x
X+6
X-6
O O O O
06-X
O 6x-1

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?