Find all real numbers that satisfy the equation.sin 2x = - 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Provide an appropriate response.When two linear equations are solved for y and the slopes are equal and the y-intercepts are different, the lines are ?
A. One Graph B. Parallel C. Intersecting
Mathematics
Solve the problem.If A is a 3 × 3 matrix and A + B = is the 
zero matrix, what can you say about the matrix?
A. B is the 3 × 3 zero matrix B. B is the 3 × 3 identity matrix C. B = A D. B = -A
Mathematics
Evaluate the expression. Write your answer without negative exponents.-3-2
A. -9
B. 
C. - 
D. 9
Mathematics
Factor by grouping.3x + 27 + xy + 9y
A. (x + 9)(3 + y) B. (y + 9)(3x + y) C. (y + 9)(x + 3) D. (x + 9y)(3 + y)
Mathematics