Prove:
Mathematics
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Simplify.-6(-4 + 3)
A. -7 B. 6 C. -21 D. 27
Mathematics
Find the value of the algebraic expression at the given replacement value.-x2 - 6y
when x = -2, y = -4
A. 16 B. 20 C. -28 D. -20
Mathematics
Multiply and simplify.
? 
A. - 
B. 
C. 
D. -12
Mathematics
Solve the equation.7x + 19 - 5x = 4x + 3
A. x = 8 B. x = -8 C. x = -16 D. x = 16
Mathematics