49 out of 49 trees were infected with the vitamin what percentage of the trees were infected with the virus?

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

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

Me because i don't understand how to do it.: )