Divide and simplify.
A. 2 - 
x2 + 
x
B. 2 - 5x2 + 4x
C. 2 - 
x3 + 
x2
D. 2 + 
x2 - 
x
Answer: A
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Solve the problem.The one-day temperatures for 12 world cities along with their latitudes are shown in the table below. Make a scatter diagram for the data. Then find the line of best fit and graph it on the scatter diagram.
Latitude (degrees)
Temperature (F)°
What will be an ideal response?
Solve.|6 - x| = 4
A. {2, 10} B. {2} C. {10} D. {2, -10}
Write the system
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as a matrix equation AX = B, where A is the coefficient matrix of the system, X is a column matrix of variables, and B is the column matrix of constants. Multiply each side of the equation on the left by the matrix inverse of A to obtain an equivalent system of equations and solve it.
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Please enter your answer as an ordered pair in the form (x, y).
What will be an ideal response?
Solve the problem.Nikki is fishing from a bank 39 feet above water level. In this location, the fish tend to feed at 49 feet below the surface. How long must Nikki's fish line be to reach the fish?
A. 10 feet B. 88 feet C. -39 feet D. -10 feet