Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 4 
, z2 = 7 
A. 28 
B. 11 
C. 28 
D. 11 
Answer: A
Mathematics
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Convert the units using unit fractions.160 min = 
hr
A. 9600
B. 2
C. 1600
D. 2
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Use factoring to solve the equation.x2 - 6x + 9 = 25
A. 5, -5 B. -2, -8 C. 8, -2 D. 28
Mathematics
Find the exact value of the expression. Do not use a calculator.cos 10°sin 80° + sin 10°cos 80°
A. 0 B. -1 C. 2 D. 1
Mathematics
Solve the problem.The area of a rectangle is 6m2- 10m- 24. Find the length if the width is 2m- 6.
A. 6m- 4 B. 3m+ 4 C. 3m- 4 D. 6m+ 4
Mathematics