Determine the real solutions to the system of nonlinear equations.x2 + y2 = 25x + y = 7
A. (4, 3), (3, 4)
B. (-4, -3), (-3, -4)
C. (-4, 3), (-3, 4)
D. (4, -3), (3, -4)
Answer: A
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Graph the function.A contractor is hired to build a gazebo in the back yard of a customer. The floor of the gazebo will be in the shape of a hexagon. The formula for the area of a hexagon is 
where s is the length of the side of the hexagon in feet. The side of the hexagon must be between 4.5 ft and 5.7 ft. Plot the graph of the area of the floor of the gazebo.
A. 
B. 
C. 
D. 
Divide using long division.
A. p - 9 + 
B. p + 3 + 
C. p - 3 + 
D. p - 3
A tank initially contains 125 lb of salt dissolved in 500 gal of water. Saltwater containing 4 lb of salt per gal enters the tank at the rate of 5 gal per min. The mixture (kept uniform by stirring) is removed at the same rate. How many pounds of salt are in the tank after two hours?
What will be an ideal response?
Solve.Trina and Monica use a metal alloy that is 22.1% copper to make jewelry. How many ounces of a 19% alloy must be mixed with a 25% alloy to form 120 ounces of the desired alloy?
A. 67 oz B. 62 oz C. 58 oz D. 60 oz