The formula S-
man+an)
2 gives the partial sum of an arithmetic sequence. What is the formula solved for a,?
2S-a, n
n
2S+a, n
a,
n
a, -2S+an+n
a, -28-a, nun

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

What is the value of x? enter your answer in the box. x =

Look at the example below which shows how the product property of radicals is used to simplify a radical. use the product property of radicals to simplify the following radical.