Solve the problem.Find cos 
, given that cos ? = 
and ? terminates in 0 < ? < ?/2.
A. 
B. 
C. 
D. 
Answer: A
You might also like to view...
Perform the operation.
A. 0.45939538 B. 2.65679782 C. 130.7425 D. 11.7926793
Provide an appropriate response.Solve the system of equations using the addition method: 5x + 2y = 11 x - 2y = -5
A. x = 1, y = 3
B. x = 
, y = 1
C. x = -1, y = 8
D. x = 
, y = 
Convert the number in the sentence to standard notation.The total sales of Acme Manufacturing Company for the last four years was $2.9 billion.
A. $2,900,000,000,000 B. $2,900,000,000 C. $290,000 D. $2,900,000
Solve the problem.The revenue achieved by selling x graphing calculators is figured to be 
The cost of each calculator is 
How many graphing calculators must be sold to make a profit (revenue - cost) of at least $135.00?
A. {x ? 17 < x < 43} B. {x ? 0 < x < 30} C. {x ? 15 < x < 45} D. {x ? 16 < x < 14}