Write the series using summation notation.36 + 46 + 56 + 66
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Solve the system of equations using the substitution method: 2x - 3y = 8-x + 4y = -14
A.
(4, 0)
B.
(-2, -4)
C.
(2, -3)
D.
Mathematics
Write as a decimal number rounded as indicated.
; Round to the nearest thousandth.
A. 0.457 B. 0.454 C. 0.455 D. 0.456
Mathematics
Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = 
4(x - 5)3
A. above the x-axis: (5, ?)
below the x-axis: 
, 
B. above the x-axis: 
, (5, ?)
below the x-axis: 
C. above the x-axis: 
, 
below the x-axis: (5, ?)
D. above the x-axis: 
below the x-axis: 
, (5, ?)
Mathematics
Decide if the given ordered pair is a solution to the inequality.x + y > 4: (4, 2)
A. Yes B. No
Mathematics