PLS HELP An auto travels at a constant rate of 30.0 km/hr for 0.100 hours then at 40.0 km/hr for 0.200 hours, and finally at 20.0 km/hr for 0.08333 hours. What is the total distance covered by the auto?

List the elements of the set in roster notation. (enter empty or ∅ for the empty set.) {x | x is a letter in the word hippopotamus}

What expression is equivalent to 42x-56y

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years