For every 1 litre of water used to make a medicine, 199ml of sucrose and 271ml of saline solution are used. Express the amount of water, sucrose and saline solution needed as a ratio in its simplest form.

George is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Subtract and simplify. (-y^2 – 4y - 8) – (-4y^2 – 6y + 3) show how you got the answer if your answer is right i will mark you