Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Answer: C
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Solve the problem and write the answer using scientific notation.The national debt of a small country is 
and the population is 2,135,000. What is the amount of debt per person?
A. $3.68 × 106 B. $36.80 C. $3.68 × 103 D. $3.68
Provide an appropriate response.Make up a word problem that uses the comparison model of subtraction to illustrate 25 - 13.
What will be an ideal response?
Provide an appropriate response.An appliance store has 25 refrigerators, 30 ranges, and 10 dishwashers in stock. If the value of each refrigerator is $600, each range is $300 and each dishwasher is $250, use matrix operations to find the total value of the appliance store's inventory.
What will be an ideal response?
Evaluate the exponential expression.
3
A. 
B. 
C. 20
D. 1