If you had two variables, the weight of a car measured in pounds and the fuel economy measured in miles per gallon, then which of the following quantitative modeling methodologies would be preferred for modeling fuel economy as a function of weight?
(a) a probability tree
(b) a Markov chain
(c) a regression model
(d) a Monte Carlo Simulation

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.