Add or subtract as indicated. Write the answer in simplest form.-5r - 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the indicated probability.f(x) = 
e-x/3; [0, ?), P(2 ? x ? 6)
A. 0.1260 B. 0.3781 C. 0.0630 D. 0.0840
Mathematics
Integrate the function.
A. 
B. 
C. ?
D. 2 sin-1 
Mathematics
Solve. Round to the nearest tenth, if necessary.The number of video stores in a region recently decreased from 109 to 71. Find the percent decrease.
A. 53.5% B. 65.1% C. 34.9% D. 186.8%
Mathematics
Find all real numbers that satisfy the equation.sin 4x = 
A. 
B. 
C. 
D. 
Mathematics