Which relation is a function?

A. (9,-1), (-1,9), (9,2), (2,-1)

B. (8,-4), (-4,8), (-8,4), (-4,-8)

C. (5,-7), (4,6), (-3,8), (5,8)

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

Evan uses some of his comic book money to buy a magazine for four dollars if Evans uncle gave him $30 what fraction of this money did you spend on the magazine

Algebra - 12 - (-6) = Subtract

The scores for the Algebra 2 CFE are normally distributed with a mean score of 43 and a standard deviation of 3.8. If you scored 47 on the test, what percentage of test takers scored lower than you? Do not round your answer. [percent]

For what values of x will (x, y) be a solution of the system of equations below: y = x2 + 3x - 3 2x - 1 = y

A solid metal cube with an edge length of 9 inches is melted down and reshaped into a sphere. Which of the following is the surface area of the sphere to the nearest tenth of an inch? A. 90.5 square inches B. 254.5 square inches C. 391.

This is my question here: There is an ice cream & candy shop next door that is the same size as your bakery. How many thirtieths of the space does it take up?

156:34 partial quotients

A triangle is a blank with 3 sides

What is four and sixty eight thousandths in standard form

3x-6 = 12/4. X equals to