an 8 by 10 inch piece of cardboard cost $ 2.00. if the cost of the cardboard is proporcional to its area what is the cost of piece of cardboard that is 16 inches by 20 inches?

If f (x) = {3x+53x-5if - 5

Show your work x2 - 2x - 35 = 0

What is 9/5 as a whole number & unit fraction

Find the slope of a line parallel to 3X plus Y equals 15

Write the first three multiples of each number 6,11,14

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.