Simplify.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Let R ={(x, y): 1 ? x < 4, 0 ? y < 6}. Evaluate 
dA, where f is the function 
A. 192 B. 18 C. 87 D. 123
Mathematics
Find all solutions by factoring.x2 + 5x = 0
A. -5,0 B. 0 C. -5,5 D. 5,0
Mathematics
Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
(Round to the nearest whole number.)
A. 1000, 63 B. 1000, 31 C. 1000, 16,000 D. 2000, 63
Mathematics
Use the given matrices to compute the given expression.Let C = 
and D = 
. Find C - 2D.
A. 
B. 
C. 
D. 
Mathematics