What is v and u? and to get v in terms of u, combine them and what is the i’m s confused

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Find the quotient. 50a2 – 98b2 -5a +7b

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