Solve the problem.The table shows the number of cases of a certain infectious disease over a 
period in a certain city.
Determine whether a linear, quadratic, cubic, or quartic polynomial best fits this data.
A. Linear
B. Quadratic
C. Cubic
D. Quartic
Answer: B
Mathematics
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Use the division shortcut to find the quotient.700 ÷ 100
A. 7000 B. 70 C. 7 D. 800
Mathematics
Simplify the radical expression. Assume that all variables represent positive real numbers.
A. p5
B. 
C. p
D. p7
Mathematics
Use Cramer's rule to solve the system. 3x - 2y + 2z - w = 2 4x + y + z + 6w = 8-3x + 2y - 2z + w = 5 5x + 3z - 2w = 1
A. 
B. 
C. 
D. Can't use Cramer's rule, D = 0
Mathematics
Write the equation of the graph after the indicated transformation(s). The graph of y = x2 is vertically stretched by a factor of 2, and the resulting graph is reflected across the x-axis.
A. y = (x - 2)2 B. y = 2x2 C. y = 2(x - 2)x2 D. y = -2x2
Mathematics