Find the probability.If two cards are drawn with replacement from an ordinary deck, find the probability the first card is a heart and the second is a diamond.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the indicated product.(a + 8b)(x + y)
A. ax + 10bx + ay + 9by B. ax + 8bx + ay + by C. ax + 8bx + ay + 8by D. ax + 9bx + ay + 8by E. ax + bx + ay + 9by
Mathematics
Decide whether the equation is or is not an identity.sin (? + ?) + sin (? - ?) = 2 sin ? cos ?
A. Identity B. Not an identity
Mathematics
Multiply the polynomials.2x(4x - 1)(6x + 7)
A. 44x3 + 46x2 - 12x B. 46x2 + 45x - 14 C. 48x3 + 44x2 - 14x D. 24x3 + 22x2 - 7x
Mathematics
Solve the system.
+ 
= 
- 
= 
A. 
B. 
C. 
D. 
Mathematics