What is 20/40 writen as a decimal

How many minutes in 6 hours and 42 minutes

If f (x) = 3x-1 and g (x) = x+2, find (f+g) (x)

A checkers board is eight squares long and eight squares wide. The area of each square is 14 cm². Estimate the perimeter of the checkers board to the nearest 10th of a centimeter.

I need to know 6.5 to a fraction

What number comes next 5, 12, 26, 54,?

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.