How many solutions does this have
13(y - 3) = 13y + 39

No solution

Step-by-step explanation:

13( y - 3) = 13y - 39

You first distribute the 13 both ways

Then you use addition property add 13y both ways

You have no solution

13( y - 3) = 13y - 39

13y - 39 = 13y - 39

+ 39 + 39

13y=13y

No solution

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have