Solve the equation: 3x + 5 = 17

Can you please help me?

(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 system of linear inequalities is represented by the graph? !

What is the measure of angle tvu shown in the diagram below