I need the answer to this problem

explain why a graph that fails the vertical-line test does not represent a function. Be sure to use the definition of a function in your answer.

3^0·10^ (-4) = a) - 120 b) 1 c) 1/10,000

What is 72 : 10 to the 3rd power? 0.072 0.72 720 72,000

While exercising victor walked 3/4 of a mile in 1/5 of an hour. at this rate how far will he have traveled after an hour

A florist has an order to make flower bouquets. The order calls for the use of 45 roses and 63 carnations. Each bouquet made will need to be the same.

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.