The seventh term of an arithmetic sequence is 10.2 and the twelfth term is 17.7. what is the common difference of the arithmetic sequence? the common difference is

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?

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Which of the following is correct interpretation of the expression -4+13