Evaluate the integral.
A. 
B. 63
C. 49
D. 
Answer: C
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The maximum length of a certain snake is 21 inches. The following table shows the length L, in inches, of the snake t years after birth. The difference 
between its maximum length and its current length is given in the third row of the table.
t 2 3 4 5 6 L 5.05 8.97 8.33 11.04 12.72
15.95 12.03 12.67 9.96 8.28?
A: Use exponential regression to model the difference D as a function of age. Round your answer to two decimal places.B: Use the model you found in part A to find a formula that gives the approximate length L at age t years. Round your answer to two decimal places.C: Plot the graph of L versus t along with the data points for length.D: What is the age of a snake that is 13.88 inches long? Round your answer to two decimal places.
What will be an ideal response?
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 57
B. 
C. 
D. 8
Solve the equation.21 + 2x = 8
A. {-1} B. {4} C. {2} D. {1}
Find the value of the variable that satisfies the equation.-8x - 12x = -12
A. x = 8
B. x = 240
C. x = 
D. x = 