Add and simplify.
A. 38
B. 37
C. 20
D. 36
Answer: B
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360 seconds = 1 ____
A. minute B. hour C. day D. year
Solve the problem.A measure of diversity of species in an ecological community is given by the formula 
where P1, P2, ... ,Pn are the proportions of a sample belonging to each of n species found in the sample. A sample of a community shows three species with 48 individuals each. Find the index of diversity H.
A. 1 B. 0.53 C. 2.1 D. 1.6
Solve the problem.A study in a small town showed that the percent of residents who have college degrees can be modeled by the function 
where x is the number of years since 2010. Use numerical or graphical methods to find when the model predicts that the percent will be 70.
A. 2018 B. 2020 C. 2019 D. 2017
Write an equation for the line described. Write the equation in the form specified.parallel to y + 8x = 4, through (4, 5); slope-intercept form
A. y = 8x - 37
B. y = - 
x - 
C. y = - 8x - 37
D. y = - 8x + 37