Given: 2c=d-4a;c=2a-3b;d=a+2b
Prove: b=7/5 a

What value of x is in the solution set of –5x – 15 > 10 + 20x?

Which statement best describes the polynomial

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