Determine if matrix A is invertible.A = 
A. Invertible
B. Not invertible
Answer: A
Mathematics
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Graph the integrand and use geometry to evaluate the integral.
A. 432 B. 648 C. 108 D. 324
Mathematics
Use the substitution formula to evaluate the integral.
A. - 
B. 
C. - 
D. 
Mathematics
Write the expression in terms of sines and/or cosines, and then simplify.
A. 
B. 
C. 
D. cos x - sin x
Mathematics
Simplify the expression using the imaginary unit i.
A. -30i
B. ±30
C. i
D. 30i
Mathematics