Provide an appropriate response.What types of instruments create music digitally?
A. trombones
B. pianos
C. synthesizers
D. guitars
Answer: C
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Determine if the following is a linear equation in one variable. If not, state why not.8x + 3x + 5
A. It is not a linear equation in one variable because it is nonlinear. B. It is not a linear equation in one variable because it has more than one variable. C. It is a linear equation in one variable. D. It is not a linear equation in one variable because it is not an equation.
Factor completely. If the polynomial cannot be factored, say it is prime.6x3 - 15x2y + 10xy2 - 25y3
A. (3x2 - 5y2)(2x + 5y) B. (3x2 + 5y)(2x - 5y) C. (3x2 + 5y2)(2x - 5y) D. (6x2 + 5y2)(x - 5y)
Add and, if possible, simplify.-1 + 
+ 
A. -4
B. 
C. - 
D. - 
Solve the quadratic inequality symbolically. Write your answer in interval notation.x2 - 6x - 7 < 0
A. (7, ?) B. (-?, -1) ? (7, ?) C. (-?, -1) D. (-1, 7)