Find the curvature of the space curve.r(t) = (t + 3)i + 3j + (ln(sec t) + 1)k
A. ? = sin t
B. ? = csc t
C. ? = cos t
D. ? = sec t
Answer: C
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Use the given CDF to find the requested information.Find E(Y).F(y) = 
A. 4
B. 
C. 2
D. 3
Complete the following table, which is generated from the linear function 
. Round the entries to three decimal places,if necessary.
x 3.21 4.025 y -0.23 -2.03
What will be an ideal response?
Provide an appropriate response. Sarah Smith is redecorating the home where she has retired and plans to tile the kitchen, utility room, and bonus room floors. The kitchen is 18 feet by 13 feet, the utility room is 10 feet by 11 feet, and the bonus room is 10 feet by 13 feet. How many square feet of tile should she purchase if she should order 5% more than the calculated amount to ensure having enough to account for breakage and for using partial pieces?
A. 474 square feet B. 79 square feet C. 158 square feet D. 498 square feet
Rewrite the statement so the inequality symbol points in the opposite direction.0.161 < 0.179
A. 0.161 ? 0.179 B. 0.179 > 0.161 C. 0.179 ? 0.161 D. 0.161 > 0.179