Mrs. kennedy is buying pencils for each of 315 students at hamiton elementary. the pencils are sold in bixes if 10s. how can she use rounding to decide how many pencils to buy?

Can someone me out here and the tell me the greatest common factor

Which statement about the annual percentage rate (apr) is not true?

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.