Each day that a library book is kept past its due date a $0.30 fee is charged at midnight. wich ordered pair is viable solution if x represents the number of days that a library book is late and y represents the total fee?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Find the value of x to the nearest tenth.

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?