Find the slope (-4,8) and (-3,-6)

Answer this question! 30 points and brainliest!

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

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?