Pls help I will give brainliest. Pls help me. Need to turn in 30 mins

To decrease an amount by 16% what single multiplier would you use

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?