To be considered similar similar, two polygons must have corresponding side that are what?

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Solve the equation by completing the square. x^2+2x=17

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