Suppose act mathematics scores are normally distributed with a mean of 21 and a standard deviation of 5.3. a university plans to send letters of recognition to students whose scores are in the top 7%. what is the minimum score required for a letter of recognition?

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

The length of the largest fish is 967.74 times greater than the length of the smallest fish. select a variable expression that shows the length of the largest fish, if 8 is the length of the smallest fish. a. s + 967.74 b. \[ \frac{967.74}{s} \] c. 967.74 - s d. 967. 74s

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?