What is the value of the ecpression 2x^2+3xy-4y^2when x=2 and y=-4?

You use 1/3 of your paycheck for bills and you earn 1830 a month estimate how much you will use for bills

You are a builder and need to submit an estimate to a customer for remodeling a bathroom. Your project costs are $451.75 for labor, $332.52 for materials and $289.12 for subcontracting for plumbing.

The square root of a number is between 18 and 19

Which of the following are prime factorizations of the number 34? Check all that apply. A. 17, 2 B. 2, 17 C. 1, 34 D. 34, 2

If you have a distribution with a very large range, but a small standard deviation, what does that tell you about your data set? the distribution is very flat with a gradual increase in frequency as the numbers approach the mean.

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.