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 LIFE.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the curvature ? and radius of curvature R for the curve at the given point.y = 5x2, (1, 2)
A. ? = 
, R = 
B. ? = 
, R = 
C. ? = 
, R = 
D. ? = 
, R = 
Mathematics
Use an identity to find the value of the expression. Do not use a calculator.sin 14° csc 14°
A. 1 B. 0 C. sin2 14° D. 14
Mathematics
Add.-2 + 9
A. -7 B. -11 C. 7 D. 8
Mathematics
Divide as indicated or state that the division is undefined.
A. - 
B. -26
C. -16
D. 16
Mathematics