The sum of two numbers is 28. The first number, x, is three times the second number, y.

Which system of equations can be used to find the two numbers?

Keith is saving money for a car. He has saved the same amount each year for the past three years, and records how much he has at the end of each year in the table below.

In a sample of 800 U. S. adults, 219 think that most celebrities are good role models. Two U. S. adults are selected from this sample without replacement.

What is 1/3 of $55,000.00

Find the slope (-16, - 2) and (-19, - 9)

Find the sum1/12 + 3/16 =

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.