The temperature at 6:00 a. m. was -6°F. By 12 noon, the temperature had increased by 15°F. What was the temperature at 12 noon?

Of four points are collinear, they are also coplanar

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function