Firstly figure out how much money you earn per one hour. This is 312$ divided by 20 is 16$/hour. Then write an equation which represents only hourly earnings: y = 16x. To answer the last question just enter the value for variable x = 15, and you will get money earned per one week.
Answer:
<h2>y = -5/4x -8</h2>
Step-by-step explanation:

Answer:
it is irrational,because the product of an irrational number and a non zero rational number is irrational
Answer: 4
step by step explanation: 3+1=4