Simplify the expression. Assume all variables represent positive real numbers.
- 
A. -7
B. - 
C. - 
D. -3.5
Answer: A
Mathematics
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Find the indicated probability.If P(A) = 0.6, P(A or B) = 0.6, and P(A and B) = 0.7, find P(B).
A. P(B) = 0.7 B. P(B) = 1.2 C. P(B) = 0.3 D. P(B) = 0.4
Mathematics
Find the domain of f and write it in interval notation.f(x) = ln(7 - x)
A. (-?, -7) B. (-?, 7) C. (7, ?) D. (-7, ?)
Mathematics
For the differential equation, find the particular solution if 
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Evaluate the expression using the order of operations.-11 + (5 ? 2 + 20) ÷ 5
A. 1 B. -5 C. 3 D. 5
Mathematics