Solve. Round your answer to three decimal places if necessary.4x = 16
A. 1
B. 3
C. 4
D. 2
Answer: D
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Solve the problem.The floor plan of a building is shown in the figure below. Is it possible to start in one of the rooms of the building, walk through each door exactly once, and end up in a different room from the one you started in? (Consider the outside a "room".) Justify your answer.
What will be an ideal response?
Factor by grouping.15wx - 3wy - 5xz + yz
A. (5x - z)(3w - y) B. (5x - y)(3w - z) C. (5wx - y)(3 - z) D. (5x + y)(3w + z)
Solve the problem.A computer is purchased for $4400. Its value each year is about 78% of the value the preceding year. Its value, in dollars, after t years is given by the exponential function V(t) = 4400(0.78)t. Find the value of the computer after 6 years.
A. $772.89 B. $990.88 C. $602.85 D. $20,592.00
Solve the system of equations graphically.2x + 3y = 253x - 2y = 18
A. (3, 8) B. (2, 12) C. (25, 18) D. (8, 3)