For every dollar increase in the price of music cds sold by a record label, the demand for the cds drops by 100. however, 4,000 cds have already been preordered. if x is the price of a cd, which statement is true about the revenue, r, of the record label?

step-by-step explanation:

why do wages differ across industries

step-by-step explanation :

micro economists are concerned with economics on an industry or individual firm basis.

macro economists are concerned with national and international level

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column

you est gay to much man grow some bollas also man kcuf off you little harry p u s s y. stupid