A package of chocolate chip cookies contains 40 cookies. Camilla and her friend ate 25% of the cookies. How many cookies did they eat?
A
1.6
B
10
С
62.5
D
160

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

This is different from the first one can someone me

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.