PLS HELP
PLS HELP
PLE HELP

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

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

Find the area of a parallelogram with base 15 yards and height 21 2/3