Divide.(1 - 3i) ÷ (5 - 7i)
A. - 
- 
i
B. 
- 
i
C. - 
+ 
i
D. 
- 
i
Answer: D
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Find the volume of the indicated region.the region bounded by the cylinders 
and the planes 
A. 56? B. 28? C. 112? D. 84?
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 5 yd, b = 5 yd
A. c ? 7.1 yd B. c ? 3.2 yd C. c ? 5.1 yd D. c = 5 yd
Translate the problem situation to a system of equations. Do not solve.The sum of two numbers is 9. Five times the smaller number minus twice the larger number is 17. What are the numbers?
A. x + y = 9; 5x - 2y = 17 B. x + y = 9; 2x - 5y = 17 C. x - y = 9; 5x + 2y = 17 D. x + y = 9; 5x + 2y = 17
Evaluate the algebraic expression.(x + 5)(y + 5)
when x = -2 and y = 3
A. 11 B. 56 C. 5 D. 24