Which of the following relations is not a function?

A.

(-3, 4), (0, 2), (6, 1), (-7, 5)

B.

(0, 4), (-3, 2), (0, 1), (-7, 2)

C.

(-7, 4), (0, 3), (-3, 1), (6, 2)

D.

(6, 4), (-3, 2), (0, 1), (-7, 2)

if you estimated your sale to be $300 but your actual sale was $345, what was your percent of the increase?

How many degreese are in 1/9 angle

524.95 to the nearest ten

Ken's new car can go 26 miles per gallon of gasoline. The car's gasoline tank holds 14 gal. How far will he be able to go on a full tank?

Which of the following is not part of the converse of the triangle proportionality theorem?

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.