Sketch the space curve.r(t) = 
, 0 ? t ? 3?
What will be an ideal response?
Mathematics
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Write the complex number in the form a + bi.
(cos 315° + i sin 315°)
A. 
- 
i
B. 
- 
i
C. 
- 
i
D. 
- 
i
Mathematics
Find the indicated term of the sequence.Find a21; -6, -1, 4, ...
A. -106 B. 99 C. -111 D. 94
Mathematics
Use the addition rule to solve the problem. 
What is the probability that the arrow will land on an odd number?
A. 0
B. 1
C. 
D. 
Mathematics
Use the formula for the area or circumference of a circle to solve the problem. Where applicable, express answers in terms of ?.
Give the exact circumference.
A. 19.5? units B. 78? units C. 39? units D. 1521? units
Mathematics