Describe the situation with a linear inequality and then solve the inequality.David has $17,000 to invest. He invests $12,000 in a mutual fund that pays 12% annual simple interest. If he wants to make at least $2200 in yearly interest, at what minimum rate does the remainder of the money need to be invested?
A. 17.2%
B. 13.2%
C. 14.2%
D. 15.2%
Answer: D
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Multiply.
w2
A. 
w11 + 
w9 - 
w2
B. 
w9 + 3w7 - 
C. 
w11 - 3w9 + 
w2
D. 
w11 + 3w9 - 
w2
Solve the problem.A boat has a capacity of 3000 pounds. If a passenger averages 160 pounds, and a piece of cargo averages 50 pounds, write an inequality that describes when x passengers and y pieces of cargo will cause the boat to be overloaded. Graph the inequality. Because x and y must be positive, limit the graph to quadrant I only.
A. 160x + 50y < 3000
B. 160x + 50y ? 3000
C. 160x + 50y > 3000
D. 160x + 50y ? 3000
Sketch the indicated curve or surface.An electric charge is so distributed that the electric potential at all points on an imaginary surface is the same. Such a surface is called an equipotential surface. Sketch the graph of the equipotential surface whose equation is 4x2 + y2 + z2 = 4.
What will be an ideal response?
Reconcile the bank statement with the check register balance. Find the current balance.
A. $5,443.53 B. $4,723.81 C. $5,427.50 D. $5,459.56