The point slope down of the equation of the line that passes through(-4,-3) and (12,1 is y-1=1/4(x-12). what is the standard form of the equation dor this line?
a. x-4y=8
b. x-4y=2
c. 4x-y=8
d. 4x-y=2

sine

step-by-step explanation:

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,