Find the root.- 
A. 7
B. Not real number
C. 49
D. -7
Answer: D
Mathematics
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Use a calculator to approximate the area of the surface generated when the given curve is revolved about the x-axis. Round to two decimal places when necessary.y = x9 on [0, 1]
A. 0.09 B. 1.31 C. 0.34 D. 3.24
Mathematics
Solve the following equations for the unknown shown:
a. a + 13 = 20 b. 2x + 7 = 13 c. x + 20 = 9 d. 3a - 14 = 7
Mathematics
Starting with the graph of  Figure 2.png)
, find the equation of the graph that results from reflecting about the line y = 1. Select the correct answer.
 multiple choice.png)
Mathematics
Find the sum.
A. 42 B. 48 C. 36 D. 26
Mathematics