Find the greatest common factor.30, 12
A. 42
B. 3
C. 6
D. 5
Answer: C
Mathematics
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Solve the differential equation.y'' - 4y' + 29y = 0
A. y = e-2x(C1 cos 5x + C2 sin 5x) B. y = ex(C1 cos 2x + C2 sin 5x) C. y = e2x(C1 cos 5x + C2 sin 5x) D. y = C1 e2x + C2 e5x
Mathematics
Solve the problem.What is the ratio of the circumference of the circumscribed circle to the circumference of the inscribed circle?
A. 3 : 2
B. 
: 1
C. 2 : 1
D. 4 : 1
Mathematics
Solve.A tree casts a shadow 45 m long. At the same time, the shadow cast by a 47-cm tall statue is 68 cm long. Find the height of the tree. Round results to the nearest unit.
A. 31 m B. 64 m C. 30 m D. 65 m
Mathematics
Determine the indefinite integral.
, x > 4
A. 
tanh-1 
+ C
B. sinh-1 
+ C
C. cosh-1 
+ C
D. 
coth-1 
+ C
Mathematics