Which of the following is NOT true? A) 4 x 1/2 = 4/1 x 1/2

B) 1/2 divide 4 = 1/2 x 1/4

C) 4 divide 1/2 = 4 x 2

D) 1/2 divide 4 = 1/2 x 4/1

Please help!! :/

Which ordered pair (c, d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

Using the figure below, select the two pairs of alternate interior angles. a: point 1 and point 4 b : point 2 and point 3 c: point 6 and point 6d: point 5 and point 7