Answer:
f(x) = 4x² - 40x + 84
Step-by-step explanation:
4(x - 7)(x - 3) = 0
4(x² - 3x - 7x + 21) = 0
4(x² - 10x + 21) = 0
4x² - 40x + 84 = 0
I believe it is 4/12 since you have a total of 12 marbles and only 4 are red plastic ones
This question is not understandable. Can you rewrite it again please?
Answer:
1681 for area of <em>rectangle</em>
