Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A = 
to encode the message CARE.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Sketch the curve.y2 + 4x = 20
A. 
B. 
C. 
D. 
Mathematics
Multiply in the indicated base.
A. 2527 B. 2627 C. 2537 D. 3527
Mathematics
Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, give the solution with y arbitrary.2x + 5y = -7-6x - 15y = 21
A. {(-1, -1)}
B. ?
C. 
D. 
Mathematics
Identify the type of graph.
+ 
= 1
A. The graph is a circle with center at (0, 0) . B. The graph is a circle with center at (9, 9) . C. The graph is an ellipse with foci on the x-axis . D. The graph is a circle with center at (3, 3) .
Mathematics