Iam frustrated. stu hiked a trail at an average rate of 3 miles per hour. he ran back on the same trail at an average rate of 5 miles per hour. he traveled for a total of 3 hours. note: i know i have to use 3t = 5(3-t) but what i want to know is why? can someone explain why the equation is written the way it is written?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)