Please help me. anyone

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Askateboard ramp is in the shape of a right triangle what is the height of the ramp