Jen wants to enlarge a 4 inch by 6 inch photo so that the longer side will be 14 inches how long will the shorter side be

(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 ?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.