At 10 a. m the outside temperature was -5 f. by noon, the temperature was -17 f. ricardo said that it was getting warmer outside. what is the difference between the temperature at 10 am and the temperature by noon? is ricardo correct? (the f means fahrenheit)

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.