Find the indicated term of the geometric sequence.a4 when a1 = 2 and r = -3.
A. 162
B. -27
C. 54
D. -54
Answer: D
Mathematics
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Solve the problem.The table lists the monthly precipitation P in Salem, Missouri, where x = 1 corresponds to January and 
corresponds to September.
Determine the value of P during September.
A. 1.4 inches B. 2.4 inches C. 1.7 inches D. 1.2 inches
Mathematics
Find the equations of the system shown on the graphing calculator screen.10
-10
A. y = 0.4x - 4.6 y = -0.3x - 5.9 B. y = 2x + 1 y = -0.3x - 5.9 C. y = 0.2x + 5.4 y = 3x + 11 D. x + y = 1 x - 3y = -9
Mathematics
Determine whether the given linear equations are parallel, perpendicular, or neither.y = 3x - 7y = 
x - 6
A. parallel B. perpendicular C. neither
Mathematics
Solve using the elimination method. 0.6x - 0.4y = -7-0.7x - 0.1y = 5.9
A. (4, -9) B. (-90, 40) C. (-0.9, 0.4) D. (-9, 4)
Mathematics