Ryan needs to solve the equation x2-8x-9=0 by completing the square. Which pair of steps is the most efficient way to begin?

1515 students signed up for sports teams. 666 signed up for soccer and the rest signed up for Quidditch. How many students signed up for Quidditch?

755082 rounded to the nearest ten thousand

The philosophy of Social Darwinism applied Charles Darwin's theory of evolution to

Evaluate the function f (x) = -3x+7 a) find f (2) b) find f (-6)

There are 24 books on the bookcase 3/4 of these books are science fiction how many books are science fiction

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.