9/81 is equivalent to which fraction?

The office manager at a small law firm has taken a survey on how many cups of coffee each person drinks per 5-day work week. A table of her results is below.

I need to know whether or not 15, 13, 11, 9, ... is an arithmetic sequence

Which of the following r-values represents the strongest correlation? A. 0.29 B. 0.50 C. 0.92 D. 0.74

A farmer is splitting 23 pounds of oats into 9 seperet bins for his horses how many pounds of oats will be in each bin

How do I find the sum or product of93 + (68+7) ?

The inequity of Six times a number x is at least - 24

Three hamburgers and one milkshake cost $6.80. Two hamburgers and one milkshake cost $5.30

If using the method of completing the square to solve the quadratic equation x^2+13x+15=0 which number would have to be added to "complete the square"?

Use the estimate in the text based on the Prime Number Theorem to give approximate values of the following. (a) The number of primes between 1 and 1030. (b) The number of primes between 1 and 1029.

Compare the process of solving |x - 1| + 1 < 15 to that of solving |x - 1| + 1 > 15.