Which of the following relations is a function?

A.

(9, - 10), (-7, 7), (9, 6), (-7, 12)

B.

(-7, 0), (0, 5), (-7, - 3), (5, 9)

C.

(0, - 2), (-7, - 5), (5, 8), (5, 2)

D.

(-7, 2), (0, 3), (5, 7), (9, 2)

If paver stone is 7.75 inches x 7.75 inches square and Each curb is 4.3 inches wide x 11.8 inches long. How do i count how many pavers and curbs depending on the length and width of my patio (in feet) ?

A department store buys 300 shirts at a cost of $1 comma 800 and sells them at a selling price of $10 each. Find the percent markup.

Marie has 12 fruits, of which there were x apples, five fewer oranges than apples, and one pineapple. write an equation that expresses the total amount of fruit that marie has?

Solve for x 3 (3x-4) - 8=4 (x+5)

Ursula has 1 credit card with a credit limit of $3000. She usually charges $2400 per month. She typically pays bills a week or two late. She owes $9000 on a car worth $10,000. Which is most likely to occur? A.

Bag a contains 7x counters bag b contains 2x counters Five counters are taken from bag a and put in bag b

Angela and Doreen each want to buy the same comb. Angela still needs 58 cents to buy a comb and Doreen still needs 6 cents. If they want to combine their money, they still do not have enough. What is the most the comb could cost?

The rate for one unit of a given quality is called a (n)

Her coins have a total value of $9.50. She has a total of 50 coins. Write systems of equations can be used to find the number of dimes, 푑푑, and the number of quarters, 푞푞, Alexis has. Solve the system and explain what the solution mean.

33/50 in decimal form