Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 4i, z2 = -6 + 6i
A. 24
B. 24
C. 24
D. 24
Answer: B
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Four players (A, B, C, and D) agree to divide the 15 items shown below by lining them up in order and using the method of markers. The players' bids are as indicated.
Item 7
A. goes to A. B. goes to B. C. goes to C. D. goes to D. E. is left over.
Let 
. Define an operation 
as 
. Check the commutative and associative properties.
? It is __________ (commutative but not associative, associative but not commutative, neither commutative nor associative, associative and commutative). Fill in the blank(s) with the appropriate word(s).
Find the sum.
A. - 30 (1 - 7n)
B. - 
(1 - 7n-1)
C. - 
(1 - 7n)
D. - 5 (1 - 7n)
For the function f and number a, find the function that gives the slope of the secant line, s(x) = 
, for x ? a. Then describe the behavior of the function values as x approaches a. f(x) = x2 ; a = -10
A. s(x) = x - 10, for x ? -10; as x ? -10, s(x) ? -20 B. s(x) = x - 10, for x ? -10; as x ? -10, s(x) ? -10 C. s(x) = x + 10, for x ? -10; as x ? -10, s(x) ? 0 D. s(x) = x + 10, for x ? -10; as x ? -10, s(x) ? 1