a cylindrical water tank contain 462000 litre of water and it's radius is 3.5 m find the height of tank

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how