Which statement about these triangles is true?

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

When solving a logarithm equation, how do you find the missing variable ?