Solve the equation.2x + 9 = 3(x + 1)
A. 6
B. -12
C. 12
D. -6
Answer: A
Mathematics
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Find the opposite (additive inverse) of the number.- 
A. 15
B. -15
C. 0
D. 
Mathematics
Assume triangle ABC has standard labeling. Determine if AAS, ASA, SSA, SAS, or SSS is given, and decide if the law of sines or the law of cosines should be used to solve the triangle.a, ?, and c
A. SSA; law of sines B. AAS; law of sines C. SAS; law of cosines D. ASA; law of cosines
Mathematics
Multiply mentally.8 × 70 × 10
A. 6300 B. 4900 C. 5600 D. 780
Mathematics
Without graphing, find the line of symmetry.f(x) = 4(x - 4)2 - 2
A. x = 4 B. x = -2 C. x = -4 D. y = -2
Mathematics