Evaluate the expression by first changing the form. Verify the answer by use of a calculator. sin 100° cos 40° - cos 100° sin 40°

A.
B.
C.
D.


Answer: C

Mathematics

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Use the Rule of 78 to find the payoff amount for the loan paid in full before the date of maturity.Finance charge: $319Total number of payments: 22Amount per payment: $117Remaining number of payments, when paid in full: 4

A. $455.39 B. $577.43 C. $460.43 D. $572.39

Mathematics

Determine whether the ordered pair is a solution of the given linear equation.y = 5x - 3; (1, 2)

A. no B. yes

Mathematics

Find the standard form of the equation of the circle.Center at (-5, -2) and containing the point (-2, 4).

A. (x - 5)2 + (y - 2)2 = 45
B. (x + 5)2 + (y + 2)2 = 45
C. (x + 5)2 + (y + 2)2 = 3
D. (x - 5)2 + (y - 2)2 = 3

Mathematics

Determine whether the graph of the polynomial has y-axis symmetry, origin symmetry, or neither.f(x) = -x3(x + 1)2(x - 7)

A. y-axis symmetry B. origin symmetry C. neither

Mathematics