According to Strategic Vision, the average age of Mercedes buyers in the United States is 54 years old. Assume that the standard deviation for the age of these buyers is 8.5 years. A random sample of 38 Mercedes buyers was selected. Calculate the standard error of the mean.

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.

Need same math paper but the back now i hope your able to read it cleary i need with hw

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?