Mrs. eng bought 4 packs of glue sticks. each pack has 5 glue sticks. her class uses 2 of the glues sticks for a project. how many glue sticks are left?

(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 ?

Astore ordered 750 candles a total wholesale cost of $7910.20. the soy candles cosy $12.17 each and thespecialty candles cost $9.58each. how many of each were bought?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?