Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(
+ 
)(
- 
)
A. 
+ 
- 
+ 5
B. 
+ 
- 
- 5
C. 
+ 
+ 
+ 5
D. 
+ 
+ 
- 5
Answer: B
Mathematics
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Solve the problem.Suppose that $2900 is invested at 7% interest, compounded semiannually. Find the function for the amount of money after t years.
A. A(t) = 2900(1.07)2t B. A(t) = 2900(1.035)t C. A(t) = 2900(1.035)2t D. A(t) = 2900(1.07)t
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The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
What temperature was recorded at 2 p.m.?
A. 80 ° F B. 78 ° F C. 79 ° F D. 76 ° F
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Evaluate.
A. Not a real number B. 6 C. 7 D. 18
Mathematics
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
(
+ 
)
A. 
+ 
B. 
C. 8
D. 7
+ 7
Mathematics