The late Florence Griffith-Joyner set the United States national and world record in the 100-meter sprint: 10.69 seconds. Jenny Thompson set the United States national record in the 100-meter freestyle swim: 53.12 seconds. How much faster did Griffith-Joyner run the 100 meters than Thompson swam it?
?
A. 41.33 seconds
B. 42.44 seconds
C. 42.38 seconds
D. 42.43 seconds
E. 43.54 seconds
Answer: D
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Use a tree diagram showing all possible results when four fair coins are tossed. Then list the ways of getting the indicated result.more than two tails
A. hhtt, htht, htth, thht, thth, tthh B. httt, thtt, ttht, ttth, tttt C. hhtt, htht, htth, httt, thht, thth, thtt, tthh, ttht, ttth, tttt D. httt, thtt, ttht, ttth
Determine whether the vectors u and v are parallel, orthogonal, or neither.u = 
, v = 
A. Orthogonal B. Neither C. Parallel
Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = 2x4 + -12x3 - 12x2 - 35x - 14
A. {-2, 
, -
, 
}
B. {
, 2, -
, 
}
C. {- 
, 2, -
, 
}
D. {-2, - 
, -
, 
}
Find the volume of the solid of revolution formed by rotating about the x-axis the region bounded by the curves.f(x) = x2, y = 0, x = 1, x = 6
A. 1555.2? B. 71.67? C. 1555? D. 7775?