Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Answer: A
Mathematics
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Multiply.(9x - 1)(x2 - 6x + 1)
A. 9x3 - 54x2 + 9x + 1 B. 9x3 - 55x2 + 15x - 1 C. 9x3 + 55x2 - 15x + 1 D. 9x3 - 53x2 + 3x - 1
Mathematics
Solve the problem. Use 3.14 as the approximate value of ?. Round to the nearest tenth,if necessary.Find the volume of the figure. All dimensions are in feet.
A. 68 ft3 B. 512 ft3 C. 1088 ft3 D. 544 ft3
Mathematics
Evaluate the definite integral.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Graph the polynomial function. Use synthetic division and the remainder theorem to find the zeros.f(x) = -x3 + 2x2 + 39x + 72
A. -3 (multiplicity 2), -8;
B. -3, 3, -8;
C. -3 (multiplicity 2), 8;
D. -3, 3, 8;
Mathematics