While performing a piece of music, Anita strikes the cymbals every 12 beats and the triangle is every 11 beats. If she just struck both at the same time, how many beats will pass before she again strikes them at the same time?

Graph y = -|x| + 2. click on the graph until the correct one appears.

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Need this at the city museum, child admission is 6 and adult admission is 9.20. on tuesday, 132 tickets were sold for a total sales of 961.60. how many adult tickets were sold that day?