Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. ?
B. {(x, -2 - x)}
C. {(7, -2)}
D. {(0, 5)}
Answer: A
Mathematics
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Solve the problem.An insurance company has written 96 policies of $50,000, 500 of $25,000, and 946 of $10,000 on people of age 20. If the probability that a person will die at age 20 is .001, how much can the company expect to pay during the year the policies were written?
A. $0 B. $267,600 C. $2676 D. $26,760
Mathematics
Evaluate the expression using the given values.-5x2 - 7x + 2 ; x = -2
A. 26 B. -4 C. -14 D. -8
Mathematics
Change the following percent to a decimal.0.4%
A. 40 B. 0.0004 C. 0.4 D. 0.04 E. 0.004
Mathematics
Differentiate.y = 
A. 
B. 
C. 
D. 
Mathematics