Find the principal square root of the number. Approximate the answer to the nearest hundredth whenever appropriate.y2, y > 0
A. -y
B. y
C. -y, y
D. y4
Answer: B
Mathematics
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Fill in the missing value.8.8 L = cm3
A. 0.088 B. 0.0088 C. 8800 D. 880
Mathematics
Find z1z2. Write the answer in polar form with the argument between 0° and 360°.z1 = 1 - 
i, z2 =2 - 2i
A. 4(cos 345° + i sin 345°)
B. 4
(cos 345° + i sin 345°)
C. 4
(cos 255° + i sin 255°)
D. (2 + 2
)(cos 255° + i sin 255°)
Mathematics
Graph f by hand by first plotting points to determine the shape of the graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Evaluate.7P2
A. 2520 B. 240 C. 42 D. 21
Mathematics