State the relationships between the segments formed when two secants intersect inside a circle and when two secants intersect outside the circle. Justify your answers.
What will be an ideal response?
When secants intersects inside a circle, (AE)(BE) (CE)(DE) because ?BEC ~ ?DEA by
AA.Then the sides are proportional.
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The amount of time t (in minutes) a shopper spends browsing in the magazine section of a supermarket is a continuous random variable with probability density function
?
?
?
How much time is a shopper chosen at random expected to spend in the magazine section?
?
A. 
minutes
B. 
minutes
C. 
minutes
D. 
minutes
E. 
minutes
A Super Ball rebounds to approximately 92% of the height from which it is dropped. If the ball is dropped from a height of 14 meters, how high will it rebound after the 13th bounce? ?
A. 5.74 meters B. 435.67 meters C. 4.74 meters D. 5.14 meters E. 5.54 meters
A weight is hung from a spring and set in motion so that it moves up and down continuously. The velocity v of the weight at any time t is given by the equation ? v = 3.5sin 4?t ? where v is measured in meters per second and t is measured in seconds. Find the maximum velocity of the weight and the amount of time it takes for the weight to move from its lowest position to its highest position. ?
A. The maximum velocity is 3.5 meters per second ; the time it takes for the weight to move from its lowest position to its highest position is 
seconds.
B. The maximum velocity is 3.5 meters per second ; the time it takes for the weight to move from its lowest position to its highest position is 
seconds.
C. The maximum velocity is 7 meters per second ; the time it takes for the weight to move from its lowest position to its highest position is 
seconds..
D. The maximum velocity is 7 meters per second ; the time it takes for the weight to move from its lowest position to its highest position is 
seconds.
E. The maximum velocity is 2.5 meters per second ; the time it takes for the weight to move from its lowest position to its highest position is 
seconds.
Multiply and simplify. Assume variables do not cause any denominators to equal 0.
? 
A. 
B. 
C. 
D. 