Which of the following would offer proof that a relation is a function?

the graphed line overlaps itself

every output has only one input

vertical line test

the graphed line is straight

A vendor sells twenty-four sweatshirts for $15 each, fifty-one t-shirts for $10 each, and thirteen hats for $8 each. What is the average price of an item sold that day? Round your answer to the nearest cent.

What are the next 4 terms to this sequence 2, 6, - 4, 10, - 14,

What is the value of y in the system of equations shown below? 7x - 7y = 49 3x - 16y = 34 Select one: A. - 2 B. - 1 C. 0 D. 1

There are 10 people on a train and they each have 2 dogs how many dogs are on the train

44% of what number is 50

There were 300 seats in the school gym. Of the all the seats 120 had stripes and the rest had polka dots on them. What percentage of the seats had polka dots on them?

At 2:15 PM, the temperature of a substance in a science experiment was 7∘F. The temperature was then recorded at 15-minute intervals. At each interval, the new temperature was 3∘F less than the previous temperature.

Explain why corinas answers is not respond able to 62x22

Find the inverse function. f (x) = x2 - 9

Ashlynn planted 8 daisies, 3 pansies, 5 zinnias, and 6 marigolds in her garden. What is the ratio of zinnias to daisies?