Logan invested $390 in an account paying an interest rate of 5.5% compounded quarterly. Assuming no deposits or withdrawals are made, how long would it take, to the nearest tenth of a year, for the value of the account to reach $660?

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

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.

Find the area of the region between a regular hexagon with sides of 6" and its inscribed circle.