Solve the equation.-7x - 15 = -4x - 6
A. -3
B. -5
C. 5
D. 3
Answer: A
Mathematics
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Find the first four nonzero terms of the Maclaurin expansion of the given function.f(x) = 
A. 1 - 
x6 + 
x12 - 
x18 - ...
B. 1 - 
x6 - 
x12 - 
x18 - ...
C. 1 + 
x6 - 
x12 + 
x18 - ...
D. 1 + 
x - 
x2 + 
x3 - ...
Mathematics
Calculate 
.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the length of the third side of the right triangle. Give an exact answer and, where appropriate, an approximation to three decimal places.
A. b = 
ft; b ? 16.583 ft
B. b = 
ft; b ? 3.317 ft
C. b = 
ft; b = 137.5 ft
D. b = 
ft; b ? 19.313 ft
Mathematics
Find the opposite of the real number.-1.4
A. 1.4
B. 
C. -1.4
D. 
Mathematics