Use a graphing calculator to determine which expression completes the identity.The expression   +  is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?

A. 3 sec x
B. 2 sec2 x
C. tan2 x
D. 1 - cos x


Answer: B

Mathematics

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Estimate the indicated probability.The table shows the number of college students who prefer a given pizza topping.Determine the empirical probability that a freshmen prefers cheese toppings. Round to the nearest thousandth.

A. 0.296 B. 0.211 C. 0.073 D. 0.407

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Provide an appropriate response.A number squared is six more than five times the number. What is the number?

What will be an ideal response?

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Use the percentage method of withholding to find the federal withholding tax, a 6.2% FICA rate to find the FICA tax, and 1.45% to find the Medicare tax. Then find the net pay for the employee. Assume that the employee has not earned over $115,000 so far this year.Thomas McKnight has gross earnings of $22,012.15 monthly. He is married and has 8 withholding allowances.

A. $24,608.96 B. $17,731.41 C. $20,328.22 D. $16,047.48

Mathematics

Solve the problem.A lumber yard has fixed costs of $4567.90 a day and variable costs of $1.00 per board-foot produced. The company gets $2.70 per board-foot sold. How many board-feet must be produced daily to break even?

A. 4567 board-feet B. 1234 board-feet C. 2687 board-feet D. 1791 board-feet

Mathematics