Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 21
D. 
Answer: C
Mathematics
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Solve the problem.Find the area of the skating rink. Round to the nearest tenth.
A. 1156.7 ft2 B. 902.3 ft2 C. 578.3 ft2 D. 832.7 ft2
Mathematics
Provide an appropriate response.Use the FOIL method to find the product: (a + 5)(a - 3)
A. a2 - 2a - 15 B. a2 - 8a + 15 C. a2 + 2a - 15 D. a2 + 8a - 15
Mathematics
Write the equation of the quadratic function whose graph is a parabola containing the given points.(0, -1), (4, 51), (-2, 9)
A. y = 3x2 + x - 2 B. y = 2x2 + x - 1 C. y = 3x2 - x - 1 D. y = 3x2 + x - 1
Mathematics
Find the domain of the function.f(x) = x2 + 7
A. {x|x ? -7}, or [-7, ?) B. {x|x ? -7}, or (-?, -7) ? (-7, ?) C. {x|x > -7}, or (-7, ?) D. all real numbers, or (-?, ?)
Mathematics