Whenever you multiply something, you just add it to itself that many times.
ex) 7 × 4 = 7 + 7 + 7 + 7.
Thus n × a = n + n + n + n....a times.
Answer:
B
Step-by-step explanation:
the slope of parallel lines are equal
This answer looks correct .
the 5 is canceled with the 2/5, therefore, leaving a 2 behind.
now, recall, the exercise is assuming you're using π = 3.14.