Yesterday, Jack drove 30 1/2 miles. He used 1 1/4 gallons of gasoline. What is the unit rate for miles per 2. 4 gallon? The unit rate is _ miles per gallon (Simplify your answer.

Solve the inequality, then identify the graph of the solution. 2x – 1 > x + 2

(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 ?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20