Answer:
i think the answer is -33
Step-by-step explanation:
(X 3-y) (3+z)
That's the two polynomials
Yes, any question that involves numbers would be a statistical question.
I would argue that it does due to that if it increased, it's either from a 30% chance that nothing changed or that the teachers did it. Since 100-30=70, there's a 70 percent chance that the teaching effect did work!
A= P(1 + r/n) ^nt
21000=7000(1+0.055/2)^1t
t = 20.52 years
