What is the simplest form of the expression? sqrt 2 - sqrt 6 / sqrt 2 + sqrt 6

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Two numbers have a sum of -19. one number is x. what expression represents the other number?