<span>The Least Common Multiple (LCM) is: 2 x 2 x 2 x 3 x 7 = 168</span>
Answer:
none of them are perpendicular or parallel
Step-by-step explanation:
"product" means multiplication. the same as "times".
so,
135 = r×9
D. works because if you work it out that means 2n=140 and then divide by 2 which means n=70 and the other number is 71