If f (x) = - 7x+5x^2+10, what does f (-2) equal?

4 1/5 divided by 2 4/5 =

What is the surface area of sphere with diameter 23ft

What is the range of the function in this table? x y 2 1 3 4 4 4 5 2 A. (2, 1), (3, 4), (4, 4), (5, 2) B. {1, 2, 4} C. (2, 1) D. {2, 3, 4, 5}

Nuts cost $1.75 per jar. How many jars can you buy with $14?

Seth starts reading at 4:30 pm and reads 30 pages an hour. Jamaal starts reading at 5:20 pm and reads 40 pages an hour. At what time will they be reading the same page if they both began on page 1?

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.