Find the solution of the system of equations.

Find the cosine function that is represented in the graph.

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

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?