I have tutor at 9pm plz help what is the cost of painting a wall 30m x 2m, when the painting costs £15 a litre covers 12m^2

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.