Which relation is a function?

A.

{ (1, 2); (2, 3); (3, 4); (2, 5) }

B.

{ (1, 2); (2, 3); (3, 4); (4, 5) }

C.

{ (1, 2); (1, 3); (1, 4); (1, 5) }

D.

{ (1, 2); (3, 2); (3, 3); (4, 2) }

At a farm, animals are fed bales of hay and buckets of gain. Each bale of hay is in the shape of a rectangular prism. The base side lengths 2 feet and 3 feet, and the height is 5 feet. Each bucket of grain is a cylinder with diameter of 3 feet.

Veronica gave 20% of her money to Bill. She used 50% of the remaining money to buy books. If Veronica gave $35 to Bill, she spent $ m to buy books and she has $ left.

Your classmate is starting a new fitness program. He is planning to ride his bicycle 45 minutes every day. He burns 10 calories per minute bicycling at 11mph and 13.75 calories per minute bicycling at 15 mph.

An independent-measures research study uses two samples, each with n = 12 participants. If the data produce a t statistic of t = 2.08, then which of the following is the correct decision for a two-tailed hypothesis test? a.

When she graduates college, linda will owe $43,000

Which, if any, of the following statements are true?. Check all that apply. a. The stronger the base, the smaller the KbKb. b. The stronger the base, the larger the pKbpKb. c. The stronger the base, the smaller the pKbpKb. d.

6r+7=13+7r how do you solve this?

A chocolate shop has 32 chocolates with orange filling, 10 chocolates with strawberry filling and 5 chocolates with coconut filling.

Several friends wanted to rent a summer cottage for $320. When two more people joined the group, each person's share was reduced by $8.00. How many were in the original group?

Consider a square and a regular hexagon (a six-sided figure with sides of equal length). One side of the square is 25 feet longer than a side of the hexagon, and the two figures have the same perimeter.