Simplify the expression.
2
A. 3
B. 
C. 
D. 1
Answer: B
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Solve the system by the substitution method.
A. (-2, 1), (2, 1) B. (1, -2), (4, 13) C. (-1, -2), (1, -2) D. (-2, 1), (-1, -2), (1, -2), (2, 1)
Add. Do not use a number line except as a check.-38 + (-49)
A. 11 B. -11 C. 87 D. -87
Solve the problem. Round your answer to the nearest whole number.The capital value of an asset is defined as 
, where k is the annual rate of interest compounded continuously and R(t) gives the annual rate at which earnings are produced by the asset at time t. Suppose income from an investment starts (at time 0) at $8000 a year and increases linearly and continuously at a rate of $300 per year. Find the capital value at an interest rate of 6% compounded continuously.
A. $133,333 B. $138,333 C. $2,222,222 D. $216,667
Find the area of the rectangle or square.Length = 8 cm, width = 6 cm
A. 96 cm2 B. 28 cm2 C. 48 cm2 D. 14 cm2