I need someone to solve this for me WITH STEPS PLEASE. If you're not going to show your work then dont answer!

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

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)