An aquarium m long, 1 m wide, and 1 m deep is full of water. Find the work needed to pump half of the water out of the aquarium. (Use the facts that the density of water is 1000 
and g ? 9.8.)
Select the correct answer.
a. 7,350J
b. 14,700J
c. 29,400J
d. 4,900J
e. 3,675J
e. 3,675J
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Express the number in scientific notation..000000054906
A. 5.4906 x 108 B. 5.4906 x 10-9 C. 5.4906 x 10-8 D. 5.4906 x 10-7
Find the ratio of net income after taxes to average owner's equity. Round to the nearest tenth of a percent.Owner's equity at beginning of year: $1,748,000. Owner's equity at end of year: $2,122,000. Net income after taxes: $447,500.
A. 21.1% B. 25.6% C. 25.7% D. 23.1%
Find the equations of the system shown on the graphing calculator screen.10
-10
A. y = 2x + 1 y = -0.3x - 5.9 B. y = 2x - 1 y = 0.3x - 5.9 C. y = 0.4x - 4.6 y = -0.3x - 5.9 D. x + y = 1 x - 3y = -9
Use the given row transformation to change the matrix as indicated.
; -6 times row 3 added to row 1
A. 
B. 
C. 
D. 