what is the measure of b

ANSWER CHOICES

A= 62

B= 28

C= 66

D= 118

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz