Answer:
y = 12
Step-by-step explanation:
A line parallel to y = 6 is, like y = 6, horizontal. Such a line passing through (10,12) is y = 12.
Without further info, like distances
check the picture
Answer:
There are 21 ways to choose the first person, 20 ways to choose the second, 19 ways for the third and 18 ways for the fourth so the answer is 21 * 20 * 19 * 18 = 143640.
2 times 2.5 times 1.5 times 10 equals to 75 square meters.
between 30 and 50 is approximately 40