Solve the equation.
= 
A. 
B. 
C. 
D. 
Answer: B
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Evaluate the limit.
Graph the function.y = csc 
A. 
B. 
C. 
D. 
Use the REGRESSION feature on a graphing calculator.As the number of farms has decreased in South Carolina, the average size of the remaining farms has grown larger, as shown below. 
Let x represent the number of years since 1900. Use a graphing calculator to fit a quadratic function to the data. Round your answer to five decimal places.
A. y = 0.02536x3 + 1.21114 + 102.58741 B. y = 0.02536x2 + 1.21114 x + 102.58741 C. y = -.00114x3 + 0.19605x2 - 5.29775 + 143.55245 D. y = 0.02536x3 + 1.21114 x + 102.58741
Use Heron's formula to solve the problem.A triangular dog pen at an animal shelter has sides of length 30 ft, 45 ft, and 65 ft. How much linoleum tile would be needed to cover this space? Round to the nearest whole number. 
A. 10,475 ft2 B. 592 ft2 C. 71 ft2 D. 10,425 ft2