The length of a rectangle is 3 times its width. if the perimeter is 48 what is its area?

(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 ?

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?