The number of dvds shipped to an online retailer was 85 comma 000 85,000 less than the previous year. use an integer to describe the change in the number of dvds shipped. the integer that describes the change in the number of dvds shipped is nothing .

-85,000

Step-by-step explanation:

The number of DVDs shipped to an online retailer was 85,000 less than the previous year.

If the number of DVDs shipped last year was x, the number of DVDs shipped this year would be x - 85000

The number by which the count of DVDs reduced this year is 85,000. Since the number of DVDs decreased and decrease is represented by a negative sign, the number of DVDs this year compared to previous year is -85,000.

Therefore, The integer that describes the change in the number of DVDs shipped is -85,000

center= (-2,0)

radius= sqrt2/2

step-by-step explanation:

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