Which polynomial is in standard form?
3+x
o x] + 276 - 3.x2 + 6x5 - 3x4 + 4x + 8
8a3 + 10a - 1242
-2x6 + 25 - 3x4 + 72-3 - 2x2 + 3x +1
oo

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

there would only be 50 odd numbers between 1 and 100 so therefor there would be 50 even so that would only be 50 odd numbers.