2/5+x=1 What equals x?

Evaluate a 2-b 2 for a = 3 and b = - 4. - 7 - 2 25

If f (x) = 5x + 4, what is the inverse of f (x)

A bag contains 3 green marbles, 5 red marbles, and 9 blue marbles. What is the ratio of green to blue marbles?

Factors of 14 and 49

Is 0.3 less than 3/7

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.