Please help, test due in 1 hour! Will give brainliest!

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Solve the system of equations. y= 2x y= x^2 - 15

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.