Answer: Yes!
Step-by-step explanation:
If the x and y coordinates form proportional relationships, then there is some non-changing number (a constant) that when multiplied times x will create y. In this example, that number is 3 (y = 3x), and is called the constant of proportionality. ... It is a positive number.
to get the equation of any straight line, we simply need two points off of it, let's use the points from the picture below.


if we already have the slope, and we can see the y-intercept on the table, then we can simply use the slopel-intercept form and plug both of them in.

42:125, 42/125 or 42 to 125
The ratio is 8:20
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Answer: B
Step-by-step explanation:
S = An/1 - r
A1 = 6
6/1 - (-1/4)
6/1 + (1/4)
6/1.25
S = 4.8 or 24/5