Find the value of the determinant.

A. 47
B. 3
C. -3
D. -7


Answer: C

Mathematics

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Provide an appropriate response.Two Wally-Worlds are going to build within a three block area. The exact sites will determine the percentage of business above or below 50% each gets, as shown in the payoff matrix. What is the value of the game?  B A

A. 11 B. 12 C. 8 D. 6

Mathematics

The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r(1 - 2 cos ?) = 1

A. x2 + y2 = (1 + 2x)2 B. x2 + y2 = 2 + x C. x2 + y2 = 1 + 2x D. x2 + y2 = (2 + x)2

Mathematics

Graph the function and the indicated tangent line.Graph f(x) =  + 3 and the tangent line to the graph at the point whose x-coordinate is 0.

A.

B. There is no tangent line for x = 0.

C.

D. There is no tangent line for x = 0.

Mathematics

Solve. Round your answer to the nearest tenth, if necessary.The length of a rectangular storage room is 5 feet longer than its width. If the area of the room is 50 square feet, find its dimensions.

A. Width is 4 feet; length is 11 feet B. Width is 5 feet; length is 10 feet C. Width is 6 feet; length is 11 feet D. Width is 4 feet; length is 9 feet

Mathematics