4. Option 3, a has length of infinity and mn does not split a, a splits mn
5. Option 2, only 1 possibility, since it has to split mn into equal parts
12^2 What is it's square root or basically you could divide it so it's 12 to the power of 2 or 12^2
Answer: What topic is this again??
f(x) = 20x² - 18x - 25
f(-1) = 20(-1)² - 18(-1) - 25
= 20 + 18 - 25
= 13
C loser that’s the correct number
