Nora knows that the diameter of a circle is 13 meters. how would you tell her to find the circumference

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year