Y = tan x , -pi/2 greater than or equal to x greater than or equal to 3pi/2 :

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?

How can you construct perpendicular lines and prove theorems about perpendicular lines

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?