If you know, Please help me

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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

Which number line represents the solution set for the inequality -1/2x> 24?