He formula for a trapezoid relates the area a, the two bases, a and b, and the height, h. a=1/2 h(a+b) solve for h.

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?