Determine whether the matrix is in row-echelon form. If it is, then determine also whether it is in reduced row-echelon form.
A. Yes; yes
B. Yes; no
C. No
Answer: A
Mathematics
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Solve the problem.The entrance to a tent is the shape of an equilateral triangle. If the base of the tent is 6 ft wide, how tall is the tent? (Give an exact answer.)
A. 9
ft
B. 3
ft
C. 54
ft
D. 3
ft
Mathematics
Determine whether the players have equal probabilities of winning.Draw a card from a regular deck. If a spade is drawn, player 1 wins; if a diamond is drawn, player 2 wins; otherwise player 3 wins.
A. Yes B. No
Mathematics
Provide an appropriate response.To find the finance charge using the average daily balance method, a month is always considered to have 30 days.
A. True B. False
Mathematics
Find the matrix product when possible.
A. 
B. 
C. 
D. They cannot be multiplied.
Mathematics