Find the exact value of the expression.sin 185° cos 65° - cos 185° sin 65°
A. 
B. - 
C. - 
D. 
Answer: D
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Express the number in scientific notation.0.000000976013
A. 9.76013 x 107 B. 9.76013 x 106 C. 9.76013 x 10-6 D. 9.76013 x 10-7
Simplify. Unless otherwise specified, assume that variables can represent any number.-
A. -5x B. 5x C. 5x3 D. -125x
Solve the problem.A rectangular box with volume 371 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost of the box as a function of x. Give the function and state its domain.
A. C(x) = 2x2 + 
Domain: {x| x < 10}
B. C(x) = 3x2 + 
Domain: {x| x > 0}
C. C(x) = 4x + 
Domain: {x| x > 0}
D. C(x) = 3x2 + 
Domain: {x| x > 4}
Decide where the first digit in the quotient would be located. Then without finishing the division, determine which of the three choices is the correct answer.
A. 1762 R 175 B. 17,620 C. 176 R 175