A manager at a coffee shop is mixing his own coffee blend. He is using beans from Zimbabwe (z), which have a 1.10% caffeine content, and beans from Costa Rica c which have a 1.35% caffeine content. If he wants to make an 11-pound blend that has a 1.16% caffeine content, which system of equations would allow him to determine how much of each type of bean to include in the blend?

Lisa berry plans to rent an apartment for $1,090 per month. she estimates the annual expense will be as shown on the chart below. what is her average monthly cost?

Witch represents the inverse of the function f(x)=1/4x-12

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books