If 1,000 students take a test that has a mean of 40 minutes, a standard deviation of 8 minutes, and is normally distributed, how many would you expect would finish in more than 40 minutes?

How do you subtract 7/9-2/5

Use the information below to find the missing measure such that /. AB = 35, DE = 14, DF = 22, /, AC = ? A. 27 B. 43 C. 55 D. 70

I notice my dog has gained some weight and so i decided to reduce the amount of food that I feed him daily. I decide to start feeding him 1 1/10 pounds of food every day instead of the 1 7/8 pounds that I was feeding him daily.

The article "Chances are you know someone with a tattoo, and he's not a sailor" included results from a survey of adults aged 18 to 50. The accompanying data are consistent with the summary values given in the article.

Solve. -1.5x-3.1<5.5

The mileages of cars in a fleet of cars are normally distributed with a mean mileage of 52,000 miles and a standard deviation of 2,000 miles. What is the probability of randomly selecting a car with a mileage less than 52,000 miles?

Round 12,406.4578 to the nearest thousands

Juanita bought a square calculator that has a measurement of 8.2 sq cm on one side. What is the area of the calculator?

Can 3 gallons and 5 tons be expressed as a ratio?

After eating at a restaurant alex bill before tax is 78 the sales tax rate is 8% Alex decides to leave a 20 % tip based on the pre - tax amount how much money will alex pay in total including the tip and tax