Multiply.(x - 7)(x + 4)
A. x2 - 3x - 4
B. x2 - 4x - 28
C. x2 - 3x - 28
D. x2 - 28x - 3
Answer: C
Mathematics
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Solve. Round your answer to three decimal places if necessary.7x = 22
A. 1.588 B. 3.143 C. 0.63 D. 2.145
Mathematics
Find the length of the third side of the right triangle. Give an exact answer and, where appropriate, an approximation to three decimal places.
A. c = 
mi; c ? 4.690 mi
B. c = 
mi; c = 157.0 mi
C. c = 
mi; c ? 17.720 mi
D. c = 314 mi
Mathematics
Match the equation of the parabola with the appropriate description.x + 5 = 2(y + 6)2
A. Vertex at (-6, -5) B. Vertex at (6, 5) C. Vertex at (-5, -6) D. Vertex at (5, 6)
Mathematics
Use the graph to evaluate the expression.f(3)
A. 1 B. 2 C. Undefined D. 4
Mathematics