Find the exact value using a double-angle identity.sin 
A. 
B. 0
C. - 
D. - 
Answer: D
Mathematics
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Find an equation in slope-intercept form of the line satisfying the specified conditions.Through (-7, -5), perpendicular to -9x + 2y = 73
A. y = 
x - 
B. y = - 
x - 
C. y = - 
x - 
D. y = - 
x - 
Mathematics
Let 
, 
.
?
Perform the operation: 
.
What will be an ideal response?
Mathematics
Solve the problem.The Cool Company determines that the supply function for its basic air conditioning unit is 
and that its demand function is 
, where p is the price. Determine the price for which the supply equals the demand.
A. $22.36 B. $21.36 C. $21.86 D. $22.86
Mathematics
Find a polar equation for the conic. A focus is at the pole.e = 1; directrix is parallel to the polar axis 3 above the pole
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics