Simplify the expression involving rational exponents.165/4
A. 512
B. 256
C. 32
D. 128
Answer: C
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Solve.A nail 6
inches long is driven into a board 3
inches thick. How much of the nail protrudes from the other side of the board?
A. 5
in.
B. 2
in.
C. 
in.
D. 
in.
Solve.
= 6
A. 2 B. 12 C. -4 D. 6
Solve the problem.The changes in retail sales (in billions of dollars) of hand-held computer games in Country X from one year to the next are given in the following table.
(i) If there were $8.3 billion in sales in 1998, what were the sales during 2005?(ii) During which period(s) were the retail sales increasing?(iii) During which period(s) were the retail sales decreasing?
A. (i) 23.3 billion; (ii) From 2001 to 2005; (iii) From 1999 to 2002 B. (i) 23.3 billion; (ii) From 2002 to 2005; (iii) From 1999 to 2001 C. (i) $11.4 billion; (ii) From 2001 to 2005; (iii) From 1999 to 2002 D. (i) $11.4 billion; (ii) From 2002 to 2005; (iii) From 1999 to 2001
Establish the identity.tan 
= -cot x
What will be an ideal response?