Maria solved the equation -5 1/8 n = -9 3/4 . Her answer was n = 1 37/41 . She is fairly confident about her answer, but wants to do a quick check of her solution using estimation. Which of the following shows a good check of her answer?

-6(2) = -12

-5(2) = -10

-5(2) = -9

-5(-2) = -10

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

If the discriminant if a quadratic equation is 4 which statement describes the roots?

40 points which is the equation of a line perpendicular to the line with the equation: y = 1/4x + 2 a : y = -4x - 7 b : y = 4x + 2 c : y = 1/4x - 1/2 d : y = -1/4x + 3