A train travels 3 hours at 20km/hr . How long will it take another train to travel the same distance at 10km per hour.​

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

What is the solution to the equation e3x=12? round your answer to the nearest hundredth