Multiply and simplify.-6z ? 
A. 0
B. 36z
C. 1
D. -1
Answer: C
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Solve the problem.A manufacturer has found that the daily demand for a certain item is 
, where p is the price of the item in dollars. The daily supply is 
. At what price does supply equal demand? Round your answer to the nearest cent.
A. $30.29 B. $115.15 C. $14.39 D. $9.08
Solve the problem.Using the floor plan below, find a path that starts in room A and passes through each doorway exactly one time.
A. A ?D ? E ? C ? B B. A ?C ? E ? D ? A ? C ? B C. A ?D ? E ? C ? A D. No such path exists.
Write in expanded form using powers of 10.85,508
A. 8 × 104 + 5 × 103 + 5 × 102 + 8 × 10 B. 8 × 104 + 5 × 103 + 5 × 102 + 8 × 1 C. 8 × 104 × 5 × 103 × 5 × 102 × 8 × 1 D. 8 × 105 + 5 × 104 + 5 × 103 + 8 × 10
Find the indicated roots.Cube roots of -8i
A. -2i, 
- i, 
- i
B. -2i, 
+ i, 
+ i
C. 2i, - 
+ i, - 
+ i
D. 2i, - 
- i, 
- i