Solve the equation. Use natural logarithms. When appropriate, give solutions to three decimal places unless otherwise indicated.ln e9x = ?
(Give the exact solution.)
A. 
B. 
C. {? - 9}
D. {9?}
Answer: B
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Solve the problem.A rectangular swimming pool has a parabolic drain plate at the bottom of the pool. The drain plate is shaped like the region between 
and the line 
from 
to 
The pool is 10 ft by 20 ft and 8 ft deep. If the pool is being filled at a rate of 
alt="" style="vertical-align: -4.0px;" /> what is the force on the drain plate after 5 hours of filling? Round your answer to two decimal places if necessary. A. 208 lb B. 611.52 lb C. 195.52 lb D. 97.76 lb
Solve the problem.One half of a number is 3 more than one-sixth the same number. What is the number?
A. 18 B. 8 C. 9 D. 12
Use the Negative Exponent Rules to simplify. Write the answer with positive exponents. All variables are nonzero.
A. 
B. 
C. 81
D. 
Determine any data values that are missing from the table, assuming that the data represent a linear function.
A. Missing x: -4; missing y: 23 B. missing x: -3; missing y: 23 C. Missing x: -3; missing y: 22 D. Missing x: -4; missing y: 21