Solve the equation.6(x + 3) - (6x + 18) = 0
A. {all real numbers}
B. ?
C. {3}
D. {0}
Answer: A
Mathematics
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -2x - 1, [0, 2], left-hand endpoint
A. 
B. 
C. 
D. 
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 8
w = 3
Find 
.
A. 5
B. 5
C. 
D. 
Mathematics
In ?ABC, , if AD = 16 and CD 12, find BD.
Mathematics
Solve by using the quadratic formula.x2 + 32 = 12x
A. {1, 32} B. {-32, -1} C. {8, 4} D. {-8, -4}
Mathematics