Find the determinant of the matrix.
?
?
A. 
B. 
C. 
D. 0
E. 
Answer: C
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Solve the problem.A particle is moving so that its x- and y-coordinates are given by 
and 
(in ft). Find the magnitude of its acceleration when 
A. 12 ft/s2 B. 48 ft/s2 C. 9 ft/s2 D. 5.8 ft/s2
The pair of figures is similar. Find the missing side n. Round to the nearest tenth when necessary.
A. n = 5.3 cm B. n = 0.8 cm C. n = 48 cm D. n = 192 cm
Use the unit circle to determine the value of the given expression or state that it is undefined.cot 
A. 
B. - 
C. - 
D. 
Solve the problem.A thermometer reading 
is placed inside a cold storage room with a constant temperature of 
If the thermometer reads 
in 11 minutes, how long before it reaches 
Round your answer to the nearest whole minute.
A. 93 min B. -34 min C. 30 min D. -2 min