Translate the English sentence into a mathematical sentence and solve.A number decreased by eighteen is equal to ten .
A. x = 18 - 10; 8
B. x - 18 = 10; 28
C. x - 10 = 18; 28
D. x = 10 - 18; -8
Answer: B
Mathematics
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A. [-2, 2]
B. (-2, 2]
C. [-2, 2)
D. (-2, 2)
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A. (-?, 3] B. (3, ?) C. (-?, 3) D. [3, ?
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Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.csc (-180°)
A. undefined B. -1 C. 1 D. 0
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Graph the curve.r = 5 + 4 sin ? (limacon)
A. 
B. 
C. 
D. 
Mathematics