Triangle xyz is reflected across the line y=x and x'= (2, -15). what are the coordinates of x,?

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.