Please make sure it’s right I only have five questions

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

Benefit(s) from large economies of scale, in which the costs of goods decrease as output increases. natural monopolles perfect competition

Acone with radius 5 cm and height 12 cm how many cm ?