Cho phương trình x^2 - 2(m-1)x + m^2 - 3m = 0 . Định m để phương trình: 1) Có hai nghiệm thỏa mãn 3(x1 + x2) = 4x1x2
2) Có 2 nghiệm thỏa mãn x1 = 3x2

George is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

Somone me i want to know what 18 hours out of 24 hours in a fraction