Find the inverse of the matrix, if possible.A = 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve.A landscaper must order some topsoil for a job. Company X sells it for $54 per cubic yard plus a $135 delivery charge. Company Y sells it for $58 per cubic yard plus a $95 delivery charge. Set up and solve an equation to determine the number of cubic yards at which both suppliers would charge the same total amount.
A. 8 cu yd B. 12 cu yd C. 6 cu yd D. 10 cu yd
Mathematics
Convert the rectangular equation to polar form.y2 = 16x
A. r2sin2? = 16 cos ? B. r sin2? = 16 cos ? C. sin2? = 16r cos ? D. sin2? = 16r2cos ?
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.121 - x2
A. (11 - x)2 B. prime C. (11 + x)2 D. (11 - x)(11 + x)
Mathematics
Graph the linear equation.y = 2x
A. 
B. 
C. 
D. 
Mathematics