Use a sketch to find the exact value of the expression.cos 
A. 
B. 
C. 
D. 
Answer: C
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Answer the question.In a study to determine the average weight of a house cat, which of the following is the most representative sample?
A. All of the cats that a pet groomer sees in one week B. Some of the cats in each of several neighborhoods C. All of the cats that a veterinarian sees in one week D. All of the cats in your neighborhood
Solve the equation.65n2 + 45n = 0
A. 0
B. - 
, 0
C. 
, 0
D. 
, - 
Solve.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = 
, where t is measured in seconds. If an object falls 44.1 meters before it hits the ground, find the time it took for the object to fall.
A. 3 seconds B. 9 seconds C. 4 seconds D. 6 seconds
Use the rules for exponents to simplify the expression. Write the final answer in exponential form when necessary. Assume that all variables represent positive values. 
A. 
B. 10
C. 
D. 