Choose the correct simplification of 9x ^ 2 * (4x + 2x ^ 2 - 1) . (8x^ 4 +36x^ 3 -9x^ 2 18x ^ 4 - 30x ^ 3 + 9x ^ 2 36x ^ 4 + 18x ^ 3 - 9x ^ 2 36x ^ 2 - 13x ^ 3 + 9x ^ 2

What is the least common multiple of 16 and 3?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

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