Consider the arithmetic series:

1 + 9 + 17 + 25 + ...

Write a formula for the sum of the first n terms in this series.

A) 4n^2 - 3n

B) 6n^2 - 7n

C) 8n^2 - 5n

D) 10n^2 - n

The Smiths want to buy a 9 ft. by 12 ft. carpet and center it in a 15 ft. by 20 ft. room. Which of the following would be an appropriate scale to use on an 8 1/2 by 11 sheet of paper for a sketch of the room and carpet?

there are 32 students in your freshman spanish class. Your teacher randomly chooses one student at a time to take a verbal exam. what is the probability that you are not one of the first 4 students chosen

How to make a decimal into a ratio How to make a decimal into a ratio

A flu epidemic is spreading through a town of 48,000 people. It is found that if x and y denote the numbers of people sick and well in a given week respectively.

29⁄12 + 23⁄6 + 11⁄3 - 5⁄12 =

Which statement about the value of x is true?

How do you find the 19-4c=17

Compare the decimals using, or = 0.73 0.7300

A square floor has an area of 480 square feet. Kristin wants to put molding around the entire perimeter of the floor. Approximately how much molding does she need? A. 720 feet B. 120 feet C. 90 feet D. 88 feet

What is larger 7 or 24/4