What is the sum or difference 4x10 – 9x10 (1 point) –5x10 –5x20 –36x10 –36x20 this is the cca test i need all the answers this is the first 2

(a)

Both terms and are like terms

They have same exponent

So we add or subtract the coefficents

4 - 9 is -5

=

(b)

Combine like terms by adding or subtracting the coefficient of like terms

the least value out of the data shown is 5, maybe if you post a picture with it i could a little more.

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