Find the length of side
x to the nearest tenth.

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?