The height of equilateral triangle is 6 inches find the perimeter of a this is dealing with special right triangles

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

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?

What are “like terms”? why can we only add like terms?