Well, 12 issues end up as 960 pages total
so... if in 960 pages, 384 are ads, what about 80 pages?
well

solve for "x"
Since all of these numbers have the same variable they can all be added up to get a sum of 10a which is its simplified form.
6000. Hope this helps give brainliest
Answer:
f(-2) = 21
Step-by-step explanation:
Step 1: Define
f(x) = 3x² - 4x + 1
f(-2) is x = -2
Step 2: Substitute and Evaluate
f(-2) = 3(-2)² - 4(-2) + 1
f(-2) = 3(4) + 8 + 1
f(-2) = 12 + 9
f(-2) = 21