Perform the indicated operation.
A. 140
B. -50
C. -130
D. 130
E. -140
Answer: D
Mathematics
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Solve the equation.-56 - 5x = -21 + 2x
A. {8} B. {5} C. {-8} D. {-5}
Mathematics
Solve the problem.Rich deposits $1000 into a savings account paying 4% interest compounded annually. At the end of each year he deposits $200 into the account. Let yn be the amount in the account after n years.(a) Find a difference equation satisfied by yn.(b) Solve the difference equation.(c) How much will he have in the account after 6 years?
What will be an ideal response?
Mathematics
Provide an appropriate response.Write a problem in which the quadratic equation 
must be solved in order to solve the problem.
What will be an ideal response?
Mathematics
Simplify. 
A. 
B. 
C. 
D. 
Mathematics