Which of the following trinomials has a degree 5 and 1 as the gcf of its terms?

a. x3y2 + 2x - 5y
b. x5 – 3x3 + x
c. 2x5y + 3x3y – 4y
d. all of the above

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.

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The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?