Please help !! Need now , will grant brainliest

All the problem is asking you to do is multiply f(x) with g(x). So you multiply x^4-9 with x^3+9

(x^4-9)(x^3+9)=x^7+9x^4-9x^3-81

So the right answer is x^7+9x^4-9x^3-81

Hope this helped! Feel free to message me with more questions and mark brainliest!

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

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.