Evaluate 15 − 4 + (7 − 5)2 = numerical answers expected!

Find the midpoint of the segment with the given endpoint k(-4,4) and l(6,12)

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?