Find the determinant.det
A. 27
B. 108
C. 9
D. 54
Answer: D
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Solve the problem. Use 3.14 for ?. Round to the nearest tenth.A toy baseball bat comes with 3 plastic balls in a box that is a rectangular solid. The box is just big enough to hold the 3 balls. The radius of the balls is 2.3 in. What is the volume of the air in the box surrounding the balls.
A. 139.2 in3 B. 116.3 in3 C. 46.4 in3 D. 241.1 in3
Solve the equation.
= 9
A. {40} B. {20} C. {-40} D. {80}
Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r sec ? = -6
A. 
x = -6; vertical line 6 units
to the left of the pole
B. 
(x + 3)2 + y2 = 9; circle, radius 3
center (-3, 0) in rectangular coordinates
C. 
x2 + (y + 3)2 = 9; circle, radius 3,
center at (0, -3) in rectangular coordinates
D. 
y = -6; horizontal line 6 units
below the pole
Find the opposite of the integer.2
A. 2 B. -1 C. -2 D. 0