Tisha is training for a marathon. In February, she ran LIX miles for her training. In January, she was only able to run XV miles. How many more miles did she run in February than in January? A. 44
B. 34
C. 31
D. 29

8.74 rounded to the nearest whole number

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.

If a and b are real numbers, then |a-b| is always, sometimes or never equal to |b-a| ?