Which of the following numbers could be used as a common denominator for adding the fractions 2/36, - 4/35, and 8/21?

(A) 105

(B) 63

(C) 315

(D) 7

Which expression has both 8 and n as factors? 8n 8n 8-n 8 + n.

What two numbers mutiply to - 48 and add to 13

What is the total amount of paper generated 7.131 X 10^7?

15x - 7 = 4x - 18 What is x

Select the correct answer. Julie's taxable income is $50,000. The table gives the federal tax brackets for different levels of taxable income. Julie pays a progressive tax.

What is the answer to this 8 (*/4 - 6) >4

How many floor boards 2-1/4 inches wide are needed to cover a floor 15 feet wide

The distance between Maggie's home and her school is 5,280 yards. (Hint: 1 mile = 1,760 yards.)

Mark opens a savings account with $60 and adds $20 each month. His sister jibran adds $20 each month to the savings account that his girlfriend opened with $60.

Serial numbers for a product are to be made using 2 letters followed by 2 digits. The letters are to be taken from the first 6 letters of the alphabet, with no repeats. The digits are taken from the 10 digits 0, 1, 2, ..., 9, with no repeats.