The half-life of a radioactive kind of europium is 9 years. How much will be left after 18 years, if you start with 40 grams of it?

A gallon of milk costs $5.12. What is the price, in dollars, of an 8 ounce glass of milk? There are 128 ounces in 1 gallon.

What solid is generated when a rectangle is rotated about a line.? a) rectangular pyramid b) cylinder c) rectangular prism d) cone

If Jim deposits $5,000 at the beginning of each year for 10 years in an account paying 5% interest compounded annually, find the amount he will have at the end of the 10 years.

What is the best estimate for the sum of 12.547 + 83.919

A shoe store sends an email survey to all customers who pay with a debit card. The previous month, 34,000 people made debit card purchases. Surveys were sent to 2,000 of these people, chosen at random, and 256 people responded to the survey.

Alex goes walking north at a speed of a 4 meter per second. He encounters wind blowing south against him at 2 meters per second. What is his overall speed?

Which of the following phrases can be written as the algebraic expression 76 - (x+3) ? Possible Answers: The difference of three and a number added to seventy-six Seventy-six subtracted from the sum of a number and three The difference of a number

Drag the tiles to the correct boxes to complete the pairs Match the target audience with the website themes kung fu instructors stock brokers fitness enthusiasts guitarists website theme based on learning musical Instruments website theme based on

A jet has a speed of 680 miles per hour in still air. If the plane flies directly north and encounters a 75 mile-per-hour wind blowing directly east, which is closest to the resultant speed of the airplane? A. 605.0 mph B. 675.9 mph C. 684.1 mph D.

Find the angle θ between u = and v =.