3. Bryan hiked up to the top of City Creek in 3 hours and then returned along the route down the and canyon to the trailhead in 2 hours. His speed downhill was 1 mph faster than his speed uphill. How fas did Bryan hike uphill ?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?