Help me solve this question please

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

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

Prove that quadrilateral is a rhombus.