Kira earned $7 mowing her neighbor's lawn for of an hour. What is her hourly rate? ​

7$ a hour

Step-by-step explanation:

Hope this helps XD

answer: i think it's a

step-by-step explanation:

answer: hence, function will be

explanation:

since we have given that

cost of a new textbook = $85

according to question, the resale value of a textbook decreases by 25% with each previous owner,

so, our function becomes,

here, y is the total value of the text book after x owners.

hence, function will be