Which of the following relations is a function?

A. (7, 1), (-2, 4), (2, 1), (7, 2)

B. (2, 4), (-2, 2), (7, 1), (-6, 2)

C. (2, 0), (-2, 3), (7, 1), (-2, 5)

D. (2, 4), (-2, 6), (2, 3), (-6, 2)

A month of the year is chosen at random what is the probability that the month stars with the letter j or the letter m

State the domain and range of the relation r={ (1,4), (3,7), (3,5), (5,8), (9,2) }

Solve this equation abd show all work. 2 ( * + 2) + 8=6

When is a product of two nonzero integers less than or equal to both of the two factors?

The base of an exponential model is 1.024. Is the base a growth or decay factor, why or why not?

recently 5/8 of the items sold at Debbies Sporting Good were baseball caps. at Sasha Sports 7/10 of the items sold were baseball caps which store sold a greater fraction of baseball caps?

You want to find the height of a tower used to transmit cellular phone calls. You stand 100 feet away from the tower and mesure the angle of elevation to be 40°. How high is the tower to the nearest foot

A helicopter leaves central airport and flies north at 180 mi/hr. Twenty minutes later a plane leaves the airport and follows the helicopter at 330mi/hr. How long does it take the plane to overtake the helicopter

A rectangular piece of paper with length 29 cm and width 12cm has two semicircles cut out of it. Find the area of the paper that remains.

Kent earns $49,000 a year and has to pay $45 in taxes for every $1,000. How much taxes does he pay in one year? A. $2,049 B. $2,000 C. $2 205 D. $1,000