It should be true. As the number goes more right the number is getting bigger hence the name "greatest common divisor".
Sorry, but I don't quite understand the question.
Answer:
D
Step-by-step explanation:
-3x + 3y = 9 (1)
2x - 7y = -14 (2)
From (1),
3y= 9 + 3x
y = 3 + x
Using (2),
2x - 7(3 + x) = -14
2x - 21 - 7x = -14
-5x = 7
x = -7/5 = -1⅖
y = 3 + x = 3 - 7/5 = 8/5 = 2⅗
Visualize the distance traveled as the two side lengths of a right triangle, for this we can use the pythagorean theorem to solve for the hypotenuse (which is the shortest distance from his house to his office).
a²+b²=c²
6²+4²=c²
36+16=c²
52=c²
7.21=c
Answer=7.21km