Determine the type and degree of each of the following polynomial expressions. 9x⁴y⁹ x⁴ - 3x² + 7x⁵ 19a⁶b² + 8ab³c – 27a⁷

a; x = 0.5

step-by-step explanation:

-10x = -5

x = 0.5

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