Polar coordinates of a point are given. Find the rectangular coordinates of the point.(-3, 120°)
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem. Use 3.14 for ?, if necessary.The face-off areas in ice hockey have a diameter of 31.1 ft. Find the area of a face-off circle. Round to the nearest tenth, if necessary.
A. 3037.0 sq ft B. 759.3 sq ft C. 379.6 sq ft D. 97.7 sq ft
Identify the unknown amount as the percent, part, or whole.What percent of 90 is 4?
A. whole B. part C. percent
Find the midpoint of the segment having the given endpoints.(7, 1) and (-16, -16)
A. (9, 15)
B. 
C. (-9, -15)
D. 
Use a system of linear equations to solve the problem.Devon purchased tickets to an air show for 8 adults and 2 children. The total cost was 
. The cost of a child's ticket was 
less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.
A. adult's ticket: $15; child's ticket: $11 B. adult's ticket: $12; child's ticket: $8 C. adult's ticket: $14; child's ticket: $10 D. adult's ticket: $13; child's ticket: $9