Change the sign. (Find the opposite, or additive inverse.) -7
A. 7
B. -7
C. 
D. 
Answer: A
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Find the exact value of the expression or state that it does not exist.cos 
A. - 
B. 
C. - 
D. 
Write the digit for the given place value in the whole number.4,681,257millionsthousands
A. millions 4 thousands 1 B. millions 2 thousands 5 C. millions 6 thousands 1 D. millions 4 thousands 8
Graph the polar equation.r = 
Identify the directrix and vertices. 
A. directrix: 6 unit(s) below
the pole at y = -6
vertices: 
, 
B. directrix: 6 unit(s) to the right of
the pole at x = 6
vertices: 
, 
C. directrix: 6 unit(s) above
the pole at y = 6
vertices: 
, 
D. directrix: 6 unit(s) to the left of
the pole at x = -6
vertices: 
, 
Convert as indicated. If necessary, round to two decimal places.392 milliliters to fluid ounces
A. 1485.68 fl oz B. 13.26 fl oz C. 101.92 fl oz D. 11,591.44 fl oz