Identify each pair of complementary angles.
A. ?ABS and ?TBC; ?SBD and ?DBT
B. ?ABS and ?DBT; ?SBD and ?TBC
C. ?ABS and ?SBD; ?DBT and ?TBC
D. ?ABS and ?DBC; ?ABD and ?DBT
Answer: C
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Use the method of undetermined coefficients to solve the differential equation.
+ y = x + sin 8x; 
= 1 and y = 0 when x = ?
A. y = - 
cos x + ? sin x + x - 
sin 8x
B. y = 
sin x + ? cos x + x - 
sin 8x
C. y = - 
sin x + ? cos x + x - 
sin 8x
D. y = - 
sin x - ? cos x + x - 
sin 8x
Solve the problem.For a certain film, an actor received a fixed salary plus a percentage of the film's profits. The linear function 
describes his salary, y, in millions of dollars, as a function of the film's profits, x, also in millions of dollars. Find the slope and y-intercept of this function. What do they represent?
What will be an ideal response?
Write an equation for the line described. Give your answer in slope-intercept form.vertical, through (3, 4)
A. y = 3 B. x = 3 C. x = 4 D. y = 4
Sketch the graph of the function by first making a table of values.
?
?
A. ?
B. ?
C. ?
D. ?
E. 