Solve.From the building floor plan depicted in the figure, calculate the floor space area. 
A. 407 m2
B. 397 m2
C. 412 m2
D. 75 m2
Answer: B
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Provide an appropriate response.After working correctly through several steps of the solution of a linear equation, a student obtains the equation 9x = 8x. Then the student divides each side by x to get 9 = 8 and gives ? as the answer. Is this correct? If not, explain why.
What will be an ideal response?
Provide an appropriate response.Determine the critical points of f(x, y) = x2 + xy + y3 - y and also determine by the second-derivative test whether each point corresponds to a relative maximum, to a relative minimum, to neither, or whether the test gives no information.
What will be an ideal response?
Find the focus and directrix of the parabola with the given equation.y2 = -4x
A. Focus: (-1, 0), directrix: x = 1 B. Focus: (0, 1), directrix: y = -1 C. Focus: (1, 0), directrix: x = -1 D. Focus: (0, -1), directrix: y = 1
Use the distributive property. Assume that variables represent nonnegative values.3
(-3
+ 5
)
A. -27 + 15
B. 27 + 45
C. -27 - 45
D. -27 + 45