How many factors are in the expression? (a + b) (c + d)
A) 2
B) 4
C) 3
D) 1
E) 6
A) 2
Mathematics
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Perform the operation and write the result in standard form. ? 7z - [6z - (7z + 3)] ?
A. z + 3 B. 7z - 3 C. 8z - 3 D. 8z + 3 E. 6z - 3
Mathematics
Use synthetic division to find the quotient and the remainder.(2x3 + 3x2 + 4x - 10) ÷ (x + 1)
A. Q(x) = (2x2 + 5x + 9); R(x) = -1 B. Q(x) = (2x2 + 5x + 9); R(x) = 1 C. Q(x) = (2x2 + x + 3); R(x) = 13 D. Q(x) = (2x2 + x + 3); R(x) = -13
Mathematics
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Mathematics
Provide an appropriate response.Use a property of logarithms to evaluate log9939.
A. 
B. 9
C. 
D. 39
Mathematics