Use the product rule to simplify the expression. Assume that the variables can be any real number.- 
A. 7
B. -25
C. -5
D. Not a real number
Answer: C
Mathematics
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Solve the equation.
- 
= 
A. {13} B. {8} C. {-8} D. {32}
Mathematics
Use a number line to find the sum.-6 + (-7)
A. -13 B. 13 C. -1 D. 1
Mathematics
Solve the problem.The ratio of the lengths of strings that play the notes F and G is 9 to 8. If a string 48 centimeters long plays a G, what is the length of the string that plays an F?
A. 54 cm B. 56 cm C. 42.7 cm D. 57 cm
Mathematics
Write a polynomial equation in standard form with the given solutions.0, 3, 7
A. x3 - 10x2 - 21x = 0 B. x3 + 10x2 - 21x = 0 C. x3 - 10x2 + 21x = 0 D. x3 + 10x2 + 21x = 0
Mathematics