Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.tan x(cot x - cos x)
A. - sec2 x
B. 1
C. 1 - sin x
D. 0
Answer: C
Mathematics
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Solve the problem.The annual sales of a company's best-selling appliance can be modeled by the linear function 
where S(x) represents the number of appliances sold in year x, with 
corresponding to 1982. Find the number of appliances sold in 1991.
A. 8240 appliances B. 4120 appliances C. 8160 appliances D. 4040 appliances
Mathematics
Determine if the type of relation is linear, nonlinear, or none.
A. nonlinear B. none C. linear
Mathematics
Add.
A. 131,353 B. 129,253 C. 130,353 D. 130,253
Mathematics
Solve the problem.The sum of two numbers is 72. Four times the larger number minus three times the smaller number is 78. What are the numbers?
A. 26 and 39 B. 26 and 46 C. 30 and 42 D. 38 and 34
Mathematics