Use properties of real numbers to evaluate the expression mentally.249 - 73 + 51 - 27
A. 400
B. 698
C. -1406
D. 200
Answer: D
Mathematics
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Simplify the expression.4(x + 8) - 1
A. 4x + 33 B. x + 31 C. 4x + 7 D. 4x + 31
Mathematics
Provide an appropriate response.Suppose you have the opportunity to invest $6000 in a business venture such that you will be repaid $8000 in five years. On the other hand, you can put the $6000 in a savings account that pays 5.25% compounded monthly. Which investment is better?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the augmented matrix for the system of linear equations.
A. 
B. 
C. 
D. 
Mathematics
Solve the system by the addition method.
?
?
A. (3, 2) B. (0, 0) C. inconsistent D. (5, 2) E. (-1, 1)
Mathematics