Which of the tables represents a function? Table A:
Input Output
4 3
3 2
3 1

Table B:
Input Output
1 3
3 5
5 7

Table C:
Input Output
0 0
1 4
1 5

Table D:
Input Output
4 1
4 2
4 3

a) Table A
b) Table B
c) Table C
d) Table D

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?