Find the solution set of the following 1. (2x + 3)(2x – 1) = 10
2. (x + 8)^2 – 9x = 52
3. 15 + x(x + 2x) = 10
4. x(x – 4) = 32
5. 3x(x – 2) = 12x

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

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