Perform the operations indicated. Write your answer in simplest form.-8.6 + (-19.7)
A. -11.1
B. 11.1
C. -28.3
D. 28.3
Answer: C
Mathematics
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Transform the equation to a form without an xy-term by a rotation of axes and then identify the curve.3x2 + 4xy = 36
A. 
+ 
= 1; ellipse
B. 
- 
= 1; hyperbola
C. 
- 
= 1; hyperbola
D. 
- 
= 1; hyperbola
Mathematics
Find n(A) for the set.A = {0, 2, 4, 6, 8}
A. n(A) = 4 B. n(A) = 8 C. n(A) = 2 D. n(A) = 5
Mathematics
Graph the circle.x2 + (y - 2)2 = 16
A. 
B. 
C. 
D. 
Mathematics
Use the circle graph to solve the problem.The circle graph below gives the inventory of the men's department of a store.
What is the total inventory?
A. $105,287 B. $150,410 C. $153,881 D. $157,352
Mathematics