Simplify the expression.
A. -3
B. - 
C. 43
D. 3
Answer: A
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Use formulas for perimeter and area to solve the problem.A window consists of a rectangle and a semicircle (half a circle). The dimensions of the rectangle are 8 ft by 3 ft. Find the area of the window. If necessary, use 3.14 for ? and round the result to the nearest tenth.
3 ft
A. 14.5 ft2 B. 38.1 ft2 C. 52.3 ft2 D. 26.4 ft2
Divide.
A. x2 - 4x + 16 B. x2 - 16x + 4 C. x2 - 4 D. x2 + 16
Find all solutions of the equation in the complex number system.x3 - 1 = 0
A. {1}
B. {1, - 
+ 
, - 
- 
}
C. {1, - 
+ 
i, - 
- 
i}
D. {1i, - 
+ 
i, - 
- 
i}
Provide an appropriate response.Find all the points having an x-coordinate of 9 whose distance from the point (3, -2) is 10.
A. (9, 6), (9, -10) B. (9, 2), (9, -4) C. (9, 13), (9, -7) D. (9, -12), (9, 8)