Hey can somebody me? i know it seems easy but i forgot the process on how to do this. in advance! 1 1/2 - 1/2 = show your work so i understand

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

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.

Use corrrct notations to name the sides