Write the expression in the standard form a + bi.
A. 
- 
i
B. 
+ 
i
C. 
- 
i
D. 
- 
i
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
Simplify the complex rational expression.
A. 
B. 
C. 
D. 4x3
Mentally determine if the number can be written as a terminating decimal
A. Yes B. No
Solve the problem.The mainsail of a sailboat is triangular in shape. What is the area of a mainsail with dimensions 11 ft, 15 ft, and 5 ft?
A. 13 ft2 B. 15 ft2 C. 35 ft2 D. 37 ft2