Is (4, 1) a solution to this system of inequalities? x + y < 16

2x + 9y ≤ 17

Yes or No

Mary spent a total of $323.14 for a party.she spent a total of $200.22 on food,plus an additional $30.73 for each hour of the party.how long was the party?

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

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?