Whats this answer? ? simplify 3^4.

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

(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 ?

Who long does it take to drive 150 miles at 45 miles per hour