Find the number of subsets of the set of all vowels in the alphabet.
a. 128
b. 5
d. 25
c. 32
Mathematics
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Evaluate the integral.
dx
A. 
B. 
C. 
D. 28
Mathematics
Find the limit.
2 cos 
A. 2 B. 1 C. 0 D. - 2
Mathematics
Factor the trinomial completely.15x3 - 2x2 - 8x
A. (x2 - 4)(15x + 2) B. x(15x + 1)(x - 8) C. x(3x + 2)(5x - 4) D. (3x - 2)(5x + 4)
Mathematics
Find the equation of the parabola corresponding to the given information.The parabola has focus ( 0 , 3 ) and directrix y = -3.
A. y = x2
B. x = 
y2
C. y = - 
x2
D. y = 
x2
Mathematics