How to find a common denominator of 6/7 and 5/13

What are the domain and range of the function? f(x) = -4 (sqrt)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 ?

Graph the equationy= x+3[tex]y = x + 3[/tex]