Find the volume.
A. 216 ft3
B. 36 ft3
C. 18 ft3
D. 72 ft3
Answer: A
Mathematics
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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = tan
A. y = tan u; u = ? - 
; 
= sec2
B. y = tan u; u = ? - 
; 
= 
sec2
C. y = tan u; u = ? - 
; 
= 
sec
tan
D. y = tan u; u = ? - 
; 
= sec2
Mathematics
Provide an appropriate response.Suppose that the integrals 
F ? T ds taken counterclockwise around the circles 
and 
are 20 and -10 respectively. Calculate 
, where S is the region between the circles.
A. 30? B. 30 C. 10? D. 10
Mathematics
Use the half-angle formulas to evaluate the given function.sin 112.5°
A. 0.8315 B. -0.3827 C. 1.3066 D. 0.9239
Mathematics
Solve.2(x + 6) = 6 - 4(x + 6)
A. 30
B. 5
C. - 5
D. 
Mathematics