Sam borrows money from his brother to buy a new video game. he agrees to pay his brother back the full amount of the loan, plus an additional $4.50, which is 9% interest. how much did sam borrow originally?

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Math i have no idea how to do a and b

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0