Simplify by rationalizing the denominator.
A. 
B. 
C. 
D. 
- 1
Answer: B
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Simplify the expression.-321/5
A. 16 B. -8 C. 32 D. -2
Find the principal. Round to the nearest cent.Rate: 4.2%Time: 300 daysInterest: $19.01
A. $54.31 B. $543.14 C. $593.14 D. $1,901.00
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -x2 + 2x + 8
A. Increasing on (1, ?); decreasing on (-?, 1) B. Increasing on (- 1, ?); decreasing on (-?, - 1) C. Increasing on (-?, - 1); decreasing on (- 1, ?) D. Increasing on (-?, 1); decreasing on (1, ?)
Solve the problem.Rats are kept in a cage with two compartments (A and B). Rats in A move to B with probability 0.2. Rats in B move to A with probability 0.3. Find the long-term trend for rats in each compartment. Round numbers to the nearest thousandth.
A. 
B. 
C. 
D. 