Multiply. Write the answer in simplest form.
? 0 ? 
A. 
B. undefined
C. 
D. 0
Answer: D
Mathematics
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Simplify the rational expression. Assume that no variable has a value which results in a denominator with a value of zero.
A. 1 B. -1 C. m D. -m
Mathematics
Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.7x2 + 23x + 20
A. prime B. (7x + 4)(x - 5) C. (7x - 5)(x + 4) D. (7x + 5)(x - 4)
Mathematics
Find the mean. If necessary, round to one decimal place.6, 5, 10, 5, 12, 9
A. 8.3 B. 7.8 C. 9.4 D. 6.3
Mathematics
The matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists.
A. x = 3, y = -14, z = -1 B. x = -3, y = -14, z = 1 C. x = -3, y = -14, z = -1 D. x = 3, y = -14, z = 1
Mathematics