Simplify using the product rule.x ? x12
A. 2x12
B. x12
C. 2x13
D. x13
Answer: D
Mathematics
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Multiply.(5x2y)(4x5y4)
A. 9x7y4 B. 20x10y4 C. 20x7y4 D. 20x7y5
Mathematics
Answer the question.Assume a is positive, b is negative, and c is positive for the expression (b - a) / cTell whether the value of the given expression is positive, negative or cannot be determined.
A. Negative B. Positive C. Cannot be determined
Mathematics
Find an equation of the line that fits the description.Passes through (0, -5) and is perpendicular to y = - 
x + 
A. y = 
x - 5
B. y = - 
x - 5
C. y = - 
x - 5
D. y = 
x - 5
Mathematics
Solve by substitution and check.x + y = 9 y = 2x + 3
A. (7, 2) B. (2, 7) C. (3, 6) D. (1, 9)
Mathematics