Find the slope of the line. 
A. 1
B. -1
C. 5
D. -5
Answer: A
Mathematics
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Solve the problem.Find the center of mass of a tetrahedron of density 
bounded by the coordinate planes and the plane 
.
A. 
= 
, 
= 
, 
= 
B. 
= 
, 
= 
, 
= 
C. 
= 
, 
= 
, 
= 
D. 
= 
, 
= 
, 
= 
Mathematics
Find all real numbers that satisfy the equation. Round approximate answers to the nearest hundredth.10 cos 
- 4 = 0
A. {x|x = 1.16 + 4k? or x = 5.12 + 4k?} B. {x|x = 2.32 + 2k? or x = 10.25 + 2k?} C. {x|x = 2.32 + 4k? or x = 10.25 + 4k?} D. {x|x = 2.32 + 2k? or x = 3.96 + 2k?}
Mathematics
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.A store manager paid $158 for an item and set the selling price at $189.60. What was the percent markup?
A. 22% B. 21% C. 16% D. 20%
Mathematics
Evaluate the sum.
A. 
B. 
C. 
D. 
Mathematics