Solve the problem.An auditorium has 15 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so on. How many seats are in the auditorium?
A. 255 seats
B. 390 seats
C. 360 seats
D. 300 seats
Answer: C
Mathematics
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Solve the problem.To get a B in biology, Katie must have a mean score of 81 on five lab reports. Scores on the first four lab reports were 92, 77, 79, and 82. What is the lowest score that Katie can get on the last lab report and still receive a B?
A. 71 B. 83 C. 82 D. 75
Mathematics
Add.1 + 2.897
A. 3.997 B. 3.897 C. 1.897 D. -1.897
Mathematics
Write the first four terms of the sequence.
A. -4, 
, 
, 1
B. 4, - 
, 
, 1
C. -4, - 
, 
, 1
D. 4, 
, 
, 1
Mathematics
Give the center and radius of the circle.(x + 4)2 + (y + 8)2 = 16
A. center: (-4, -8); r = 4 B. center: (4, 8); r = 16 C. center: (-4, -8); r = 16 D. center: (4, 8); r = 4
Mathematics