Complete the sentence so the result is an identity. Let x be any real number. - 1 = tan2x
A. cot2x
B. cos2x
C. sin2x
D. sec2x
Answer: D
Mathematics
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Translate the phrase to an algebraic expression.six times the quantity x minus y
A. 6 + (x - y) B. 6x - y C. 6 - (x - y) D. 6(x - y)
Mathematics
Solve the problem.A company makes three chocolate candies: cherry, almond, and raisin. Matrix A gives the amount of ingredients in one batch. Matrix B gives the costs of ingredients from suppliers J and K. Multiply the matrices. 
A = 
B = 
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A. J K
AB = 
B. J K
AB = 
C. J K
AB = 
D. J K
AB = 
Mathematics
Find the probability.A bag contains 13 balls numbered 1 through 13. What is the probability of selecting a ball that has an even number?
A. 
B. 
C. 6
D. 
Mathematics
Graph the inequality.5x - 4y ? 0
A. 
B. 
C. 
D. 
Mathematics