Solve the equation.27x = 81(3x - 5)
A.
B.
C. -
D.
Answer: B
Mathematics
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Find Dxy.y = ln(sech (4x + 10))
A. tanh (4x + 10)
B. 
C. -4 tanh (4x + 10)
D. -tanh (4x + 10)
Mathematics
Find the slope and y-intercept of the line.9x - 2y = 5
A. slope = 9; y-intercept = 5
B. slope = 
; y-intercept = 
C. slope = 
; y-intercept = - 
D. slope = 
; y-intercept = 
Mathematics
Translate to a proportion and solve. When necessary, round to the nearest hundredth.What is 20% of 200?
A. 4 B. 40 C. 0.4 D. 400
Mathematics
Give all possible rational zeros for the polynomial.f(x) = 13x24 + 23x18 + 2x - 26
A. ±1, ±2, ±13, ±26
B. ±1, ± 
, ±2, ±13, ±26
C. ±1, ± 
, ±2, ± 
, ±13, ±26
D. ±1, ± 
, ±13, ± 
, ± 
, ± 
Mathematics