A pathway is built around the edge of a circular body of water as shown. The pathway is 2.5 feet wide, and the pond measures 9 feet across. Find the
circumference of the outer edge of the pathway.
Use 3.14 for pi.

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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.