Factor completely.

x^4-11x^2+28

(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 ?

Find the ratios of the corresponding sides

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume