You select a marble from those seen here without looking and then put it back. If you do this 5 times, what is the best prediction
possible for the number of times you will pick a purple marble?
A)
1
Eliminate
B) 2
3
D)

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.