Beth bough 22 trading cards of which 20 were sports card which decimal shows what portion of the cards were sports cards?

In the 30-60-90 triangle below side s has a length of and side r has a length

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?