(4 - j6) - (7 + j2) =
a. -3 - j4
b. -3 - j8
c. 11 - j4
d. 11 + j8
e. 4 - j6
b. -3 - j8
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Write a fraction in simplified form that expresses the ratio of 0.49 to 0.56.
What will be an ideal response?
Solve the problem.The total solar radiation H (in W/m2) on a particular surface during an average clear day in one U.S. city is given by 
where t is the number of hours from noon. Find a general expression which can be used to determine how fast the rate of change of solar radiation on the surface is changing at any given time (ie find d2H/dt2).
A. 
B. 
C. 
D. 
Provide an appropriate response. Find the equation of the line passing through the points (-9, 4) and (-2, 1).
A. y = - 
x - 
B. y = 
x + 
C. y = - 
x - 17 y 3x- 
D. y = - 
x + 
Evaluate the logarithm.log8
A. -8 B. -2 C. 8 D. 2