Convert the polar equation to rectangular form. Identify the curve.r = 10 sin ?
A. x2 + y2 = 10y; a circle centered at (0, 5) with radius 5
B. 
= 10y; a circle centered at (0, 5) with radius 5
C. 
= 10x; a circle centered at (5, 0) with radius 5
D. x2 + y2 = 10x; a circle centered at (5, 0) with radius 5
Answer: A
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Two types of tickets were sold for a concert. Floor seating cost $10.50 a ticket, and balcony seats were $20.20. Use the table to find the total receipts from the sale of both types of tickets. Ticket type Price Number sold Floor$10.501,000Balcony$20.20100
A. $3,070.00 B. $12,520.00 C. $10,702.00 D. $30,700.00 E. none of the above
Solve the differential equation.5y" = -22y' + 15y
A. y = c1e-5x + c2e-3x/5 B. y = c1e-5x + c2e3x/5 C. y = c1e5x + c2e-3x/5 D. y = c1e-5x + c2e3x
Assume you have a digraph with 5 vertices (A, B, C, D, and E) and 9 arcs. A is incident from C, D, and E; B is incident to D and E and incident from C; D is incident to C and incident from E.How many cycles are there in the digraph that start and end at B?
A. 3 B. 0 C. 1 D. 2 E. none of these
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 