Evaluate the expression for the given values of the variables, if possible.x ? y - 82, for x = 3, y = 3

A. 55
B. -120
C. -55
D. 120


Answer: C

Mathematics

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The speed S, in feet per second, of certain animals depends on their stride length L in inches. The relationship is . ? A:  If one animal has a stride length 2.51 times that of another, how do their running speeds compare?B:  If one animal has double the speed of anther, how do their stride lengths compare?C:  If an animal with stride length 22 inches runs 16 feet per second, find the value of c. ?

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Mathematics

Draw a valid conclusion from the given premises.Lonni's math professor said to his class, "After the last session, we will go out for a beer or we will have dinner at Chez Louis."The professor and his class did not go out for a beer.Therefore....

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Mathematics

Evaluate the expression.cot2 90° - sec 180°

A. -1 B. 2 C. 1 D. 0

Mathematics

Find the equation of the hyperbola satisfying the given conditions.Foci: (±5, 0); the length of the transverse axis is 6

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  +  = 1

Mathematics