Find the value of - (-2x+1) = 9-14x

9 - 12n 2 + 4n 3 - 7n

C+g/x=7 solve for c

Round to the merest hundredth389.993

If a+b+c=7 and ab+bc+ca=20 find the value of a^2+b^2+c^2

Order pair of x=y+2 and 2y=x-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.