Calculate the concentration of 4mg hydrochloric acid dissolved in 25 cm of water.

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6