Evaluate the expression.30
A. 0
B. 1
C. 3
D. -1
Answer: B
Mathematics
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Write out the first three terms and the last term of the arithmetic sequence.
A. -1 - 3 - 6 - . . . - 300 B. -3 - 6 - 9 - . . . - 300 C. -3 + 9 - 27 + . . . - 900 D. -3 - 9 - 27 - . . . - 900
Mathematics
Solve and simplify.
? t = 114
A. 26 B. 342 C. 114 D. 133
Mathematics
Find the difference. Assume that all variable factors in the denominators are not equal to zero.
- 
A. 9
B. 
C. 
D. 
Mathematics
Use sum-to-product formulas to rewrite the expression as a product.cos 7? - cos 3?
A. -2 cos 5x sin 2x B. 2 cos 2x C. -2 sin 5x sin 2x D. 2 cos 5x cos 2x
Mathematics