Factor out the GCF from the polynomial.21x4 - 9x3 + 12x2
A. x2(21x2 - 9x + 12)
B. 3(7x4 - 3x3 + 4x2)
C. 3x2(7x2 - 3x + 4)
D. 3x(7x3 - 3x2 + 4x)
Answer: C
Mathematics
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Multiply. Write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 
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Find the standard form of the equation of the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Express the number in exponential form.66.75(cos 320.01° + j sin 320.01° )
A. 66.75e320.01j B. 66.75e5.585j C. 5.585e66.75j D. 320.01e66.75j
Mathematics
A deck of cards contains 52 cards. These cards consist of four suits - hearts, spades, clubs, and diamonds. Each suit contains one of each of the following: 2, 3, 4, 5, 6, 7, 8, 9, 10, jack, queen, king, and ace. Assume that one card is selected at random from a well-shuffled deck of cards.Find the probability that the card is a diamond.
A. 
B. 
C. 
D. 
Mathematics