Which is a descending order a. -10+4x^3-4x^5+2x^4+x^7 b. x^7-4x^5+2x^4+4x^3-10 c. x^7+4x^3+2x^4-4x^5-10 d. 4x^3-4x^5+2x^4+x^7-10?

the naturalist literary movement was an extension of the realist literary movement, a movement that strove to portray life as it really was hope it

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answer set (b) 0.5, 3/4 80% is in order from least to greatest.  

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in order to compare rational numbers to each other, it is much easier if they are in the same form.   typically, the best form in which to evaluate rational numbers is in decimals.   in order to convert a percent to a decimal, you would divide the given percentage by 100.   you can also accomplish the conversion by moving the decimal point over two places to the left.   for example, the decimal value of 80% is 80/100, or 0.8.   in order to convert a fraction to a decimal, you need to divide the numerator by the denominator.   for example, 3/4 is 0.75.   so, for choice (b) 0.5 3/4 (0.75), 80% (0.8) is the only choice in which the numbers are in order from least to greatest.  

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

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