Write and solve an equation to find the number n . four times the difference of a number and 7 is 12.

(hurry! ) which expression is equivalent to the following complex fraction?

Describe the domain and range of y=2(3)^x-2+5

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