Write -4i+(1/4-5i)-(-3/4+8i)+17i as a complex number in the standard form

  1

Step-by-step explanation:

Eliminate parentheses using the distributive property.

  = -4i +1/4 -5i +3/4 -8i +17i

  = (1/4 +3/4) +i(-4 -5 -8 +17)

  = 1 + 0i

  = 1

step-by-step explanation:

the first 5 right here the next 5 i will upload as separate question

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