If 14{y+3/2}=-18 what is the value of 2y

What is the 20% of 140.79

For what values of x will relations S={ (4,1), (3,0), (x, 5) } not be a function? explain your reasoning.

The frequency of D3 is 146.83 Hz. What is the frequency of D5, which is two octaves above D3? 73.4 Hz 293.66 Hz 367.08 Hz 587.32 Hz

On her first quiz in social studies, Meg answered 92% of the questions correctly. On her second quiz, she answered 27 out of 30 questions correctly. On which quiz did Meg have the better score?

13) A merchant has coffee worth $60 a pound that she wishes to mix with 90 pounds of coffee worth $90 a pound to get a mixture that can be sold for $70 a pound.

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.