Why there is 1/3 cup of fruit in half a smoothie

What is 7.200 12.490 + 4.579

What is x if 389/x=47

Robert mixes yellow and blue paint in the ratio of 3:2. If he used 12 gallons of yellow paint, how many gallons of blue paint would he use?

When the function f (x) = 4x-2 is evaluated for x=3 the output is A. 4 B. 6 C. 16 D. None of these choices

3 (2y-4) - 2) = 0.4 (1+y)

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.