Perform the indicated operation. Express your answer in simplest form.
+ 1
A. 
B. 
C. 
D. 
Answer: D
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Give a geometric description of the set of points whose coordinates satisfy the given conditions.x = 1, z = 3
A. The line through the point (1, 0, 3) and parallel to the y-axis B. The point (1, 3) C. The line through the point (1, 3, 0) and parallel to the z-axis D. All points in the x-z plane
Find (a) the gross profit, (b) the net income before taxes, and (c) the net income after taxes.Steel Master Sales had a cost of goods sold of 
operating expenses of 
returns of 
taxes of 
and gross sales of 
A. (a) $381,000 (b) $121,000 (c)$94,100 B. (a) $365,000 (b) $121,000 (c)$94,100 C. (a) $294,000 (b) $121,000 (c)$94,100 D. (a) $278,000 (b) $121,000 (c)$94,100
Multiply, then simplify the product. Assume that all variables represent positive real numbers.
(
- 
)
A. 10
B. 25 - 5
C. 5
- 20
D. 50
Give the coordinates of the labeled points.
A. C(-5, 6); D(7, -4) B. C(-5, -4); D(6, -4) C. C(-5, 6); D(-4, 7) D. C(6, 6); D(-4, 7)