We want to select a committee of five members from a group of four women and six men. The order of selection is irrelevant. How many committees can we make with Jack as committee chair? (Assume that only one member has that namel)
committees

(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 ?

Draw a scaled copy of the circle using a scale factor of 2

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie