The formula is SA =

. r is the radius and l is the slant height. In your case it would be

.
Answer:
13x^8 + 4x^5 - 16x^2
Step-by-step explanation:
Standard form is just rearranging each group of numbers so that the group with the most exponents on the variables is at the beginning. So it's basically least to greatest but with exponents. Hope this helped!
All you have to do is insert whatever they give you into <em>x. </em>So for example they give you f(2) all you do is is insert the two where x is.
Answer:
k = 9
Step-by-step explanation:
Given

Required
The perfect number
The coefficient c of x in the above equation is:

Divide by 2

Square both sides

Hence, the constant to add is:

Answer is B hope it helps