First, put your polynomial in standard form(ax²+bx+c=0). Then plug the a,b and c for x=(-b+-√b²-4ac)÷2a. As a result, you can either get one, two or no real answers.
v=πr^2(r+7) in my opinion is the correct expression
You have to dive the x and the Y so R=7
Answer
27x^22-3x-1
hope this is right!!
Step-by-step explanation:
Answer:
d. 14:11
Step-by-step explanation:
There is a 7 in 10 chance that Mike does his homework today and a 8 in 10 chance he will do it tomorrow, the probability that he will do it both today and tomorrow is:

The odds are the probability that an event occurs over the probability that it does not occur:

The odds that he will do it both today and tomorrow are 14:11.