There were 28 hats, 12 bicycles, and 19 teddy bears sold during a neighborhood yard sale. how many items were sold at the neighborhood yard sale?

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

We just started the introduction into circles and i have no idea how to do this.

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. identify the domain for each of the given functions.