Answer:
50.24
Step-by-step explanation:
you do 4²=16 then you do 16×3.14=50.24
and for further notice volume of a circle is radius to the second power times pi
A monomial has one term, binomial has two terms, trinomial has three terms, and a polynomial has four or more terms.
Therefore, in the first question, c2-16 is the binomial while -8c is the monomial in the second question.
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8.1 I think but there's an app called, tiger something and it tells,you the answers
ATQ


Now




From all equations




Now
Adding 3 and 4


One side won't be covered hence
If i were you, i would add one to 7x and fifteen. this gives you x^2+8x+16, a perfect square of x+4.