Evaluate the expression.
- 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the indicated term of the sequence.The fifth term of the geometric sequence 2, 8, 32, . . .
A. 32 B. 512 C. 256 D. 2048
Mathematics
Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers.4
- 2
+ 8
A. 172
B. -172
C. 60
D. 4
Mathematics
Let s be a real number corresponding to the point (a, b) on the unit circle. Use this information to determine the sine and cosine of the real number.s + 
A. sin 
= -a, cos 
= b
B. sin 
= b, cos 
= -a
C. sin 
= a, cos 
= -b
D. sin 
= a, cos 
= b
Mathematics
Express the number in decimal notation.8.505 × 10-5
A. 0.000008505 B. -850,500 C. 0.00008505 D. 0.0008505
Mathematics