A drink is made by mixing orange juice and lemonade in the ratio 1:4. Lemonade costs 80p per litre. Orange juice costs £1.20 per litre. Work out the cost of making 3 litres of the drink.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Based on the figures as marked, /\rqs = —

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap