Ms. teer spent $144 for 16 sandwiches and 12 beverages for her group. ms. pesta spent $120 for 12 sandwiches and 15 beverages for her group. each sandwich and beverage cost the same amount. write a system of equations that can be used to find the cost of each sandwich, s, and the cost of each beverage, b.

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 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20

The function below is written in vertex form or intercept form. rewrite them in standard form and show your work. y = (x+4)(x+3)