Apiece of paper is four over one thousand inches thick so how many sheets of paper will it take to make a stack 1 inch high

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

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.

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10