Answer:
-5b^4 - b^3
Step-by-step explanation:
-b^3 (3b + 1) – 2b^4
Distribute
-3b^4 - b^3 -2b^4
Combine like terms
-5b^4 - b^3
The mean is when you add all of the numbers up then divide by how many there are. So in that case, You would add all of the bottom numbers up and then divide them by how many there are.
So on the next question, when you find out the mean, just see what numbers are bigger than that and you will get it!
For the last one, just add 45 to the other numbers that you added together then divide like you did with the mean- how ever many numbers there are, you would divide by that much!
Hope this helps!
The Answer is B I’m pretty sure
It’s pretty much a special way of writing an equation of a line. it’s another way of writing y=mx+b. it’s Ax+By=C where a b and c are all real numbers and a and b are both not 0.the requirements can depend on what your doing but technically they are real numbers they are most often used as integers and to keep the a positive.also a b and c are usually required to not share common factors
Answer:
Step-by-step explanation:
So we have the expression:
Use the distribute property. Multiply each term on the right by (x+3):
Distribute further:
Combine like terms:
A polynomial in standard form has terms in descending order based on degree.
And we have that. Thus, we are done :)