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The terms in descending powers of a variable are
.
Given that
Polynomial; 
<h3>We have to determine</h3>
After arranging the terms in descending powers of a variable, select the opposite of the polynomial.
<h3>According to the question</h3>
A polynomial is an expression consisting of coefficients and variables which are also known as indeterminates.
<h3>Degree of a Polynomial</h3>
The degree of a polynomial can be defined as the highest degree of a monomial within a polynomial.
The degree of the polynomial can be defined as a polynomial equation having a single variable that has the greatest exponent.
Therefore
The terms in descending powers of a variable are;

Hence, The terms in descending powers of a variable are
.
To know more about Polynomial click the link given below.
brainly.com/question/10343430
It's 70, do parentheses first and then multiply by 2. then multiply by 7
Average number of jumps on lowest bar = 3/2 = 1.5
Average number of jumps on middle bar = 6/4 = 1.5
Average number of jumps on highest bar = 4/1 = 4
Overall average number of jumps = 3/2 + 6/4 + 4/1 = 7
Overall average number of jumps =
+ 1/probability of complete the lowest bar
+1/probability of complete the middle bar
+ 1/probability of complete the highest bar
Equations of Shane’s overall average number of jumps completed = x * (7/13), where x is the total number of overall jumps.
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You can take it apart. There are a top and bottom (both the same) right triangle. So you can find the area of that by multiplying 8*6 and divide by two. Then multiply by two because there are 2 triangles.
You are left with three rectangular sides: One 10x10, one 10x6, and one 10x8.
So your whole equation looks like this: A = 2[(8*6)/2]+(10*10)+(10*6)+(10*8)