W^2-4w + ? what lake the expression a perfect square

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 2.2 days. What is the 90th percentile for recovery times? (Round your answer to two decimal places.)

In a survey, 27 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $31 and standard deviation of $3. Construct a confidence interval at a 99% confidence level.

5 minus what equals 1.42

Tanisha drank 12 ounces of milk. how many millimeters did she drink?

Shawna earns $2 for every cup of lemonade she sells. After selling a total of 21 Cups Of Lemonade, how much money will Shawna have made in all?

Express the series using sigma notation. -6m - 3m + 0 + 3m + 6m ...

A rancher has 600 feet of fencing to put around a rectangular field and then subdivide the field into 2 identical smaller rectangular plots by placing a fence parallel to one of the field's shorter sides.

Write each expression as the product of two binomials x2 - 5x + 6

The longest side in a right triangle is 24 cm, and the second longest side is 20 cm. Find the length of the shortest side

Which of the following constants can be added to x2 - 10x to form a perfect square trinomial?