The sum of the roots of 2x 2 + 8x - 3= 0 is

(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 ?

Graph y = -|x| + 2. click on the graph until the correct one appears.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83