The expression $15x+11$ represents the perimeter of the trapezoid. what is the length of the fourth side? a trapezoid. the shorter base is labeled 3 x plus 4. the legs are labeled 2 x plus 3 and 4 x minus 1.

What is the standard form of -5x^2+2x^4-11+x^3+3x

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

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?