What is the measure of angle Z? What is the length of side AC? What is the measure of angle B? What is the length of side XZ?

What is the measure of angle A? What is the length of side ZY?

(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 ?

In the 30-60-90 triangle below side s has a length of and side r has a length

Is this a polynomial function? i need to know asap