Solve the problem.A basketball fieldhouse seats 15,000. Courtside seats sell for $8, endzone for $7, and balcony for $4. Total for a sell-out is $78,000. If half the courtside and balcony and all endzone seats are sold, the total is $46,000. How many of each type are there?
A. 3200 courtside
1800 endzone
10,000 balcony
B. 4000 courtside
3000 endzone
8000 balcony
C. 3000 courtside
2000 endzone
10,000 balcony
Answer: C
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Solve the problem.A biologist collected 213 fern and moss samples. There were 157 more moss than fern samples. How many fern samples did the biologist collect?
A. 56 fern samples B. 185 fern samples C. 28 fern samples D. 171 fern samples
Using the addition/subtraction method, find the value of x and y to satisfy the following equations: 2x + 4y = 8; 2x + 2y = 2
a. x = -2 y = -3 b. x = -3 y = -2 c. x = 3 y = 2 d. x = -2 y = 3 e. x = 2 y = -3
Find the angle of least positive measure that is coterminal with the given angle.430°
A. 70° B. 215° C. 60° D. 250°
Solve.A lamp shade has the geometric form as shown. The total surface area of a lamp shade with a slant height s and top and bottom base radii of r2 and r1 is given by 
Find an equivalent expression for the total surface area by factoring out a common factor. 
A. ?(r1 + r2)(r1 + r2 + s)
B. ?r1(r1 + 
+ s + sr2)
C. ?(r12 + r22 + sr1 + sr2)
D. ?(r1 + r2)(r1 + r2 + sr1r2)