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 = 
and its inverse A-1 = 
to decode the cryptogram 
.
A. HELP_THEM
B. GOOD_LUCK
C. STAY_CALM
D. LOOK_DOWN
Answer: B
Mathematics
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Evaluate.sin-1 
A. - 
B. 
C. - 
D. 
Mathematics
If 
, find a formula for 
.
?
A. 
B. 
C. 
D. 
Mathematics
Translate to a proportion and solve. What is 2.5% of $124,160?
A. $127,264.00 B. $4966.40 C. $3104.00 D. $49,664.00
Mathematics
A game consists of removing a card from a deck of 52 cards. If the card is a face card, you win $3 and the game is over. If it is not a face card, remove another card. If that one is a face card, you win $3. Repeat the process again, and then again (for a total of 4 times). If you have not removed any face card, then you lose the game, and must pay $3. Should you play this game? ?
A. no B. yes
Mathematics