Solve.The reciprocal of the product of two consecutive positive integers is 
. Find the two integers.
A. 6, 7
B. 8, 9
C. 7, 8
D. 9, 10
Answer: B
Mathematics
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Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Mathematics
Use the Pythagorean Theorem to find the missing side of the right triangle.
A. 
B. 21
C. 
D. 221
Mathematics
Fill in the missing numbers.
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations by using the inverse of the coefficient matrix. 5x - 6y - 6z = -55 7x + 2y + 3z = 28-8x - 5y + 2z = -51
A. (2, 7, 1) B. (1, -9, -1) C. (9, 1, 9) D. (1, 9, 1)
Mathematics