Work the application and answer with a complete sentence.The seats in a lecture hall are arranged in 17 rows with 7 seats in each row. How many seats are there in this lecture hall?
A. There are 112 seats in this lecture hall.
B. There are 126 seats in this lecture hall.
C. There are 129 seats in this lecture hall.
D. There are 119 seats in this lecture hall.
Answer: D
Mathematics
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Perform the operation indicated. Simplify.
- 
A. - 
B. 
C. - 
D. 
Mathematics
Solve the system by inspecting the graph of the equations.12x - 4y = -4y = 3x + 1
A. 
B. 
C. ?
D. 
Mathematics
Solve the equation.(x + 9)(x - 1) = (x + 1)2
A. 
B. {10}
C. 
D. 
Mathematics
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 
; r = 
A. a5 = 7776, an = 6n
B. a5 = 6
, an = 6n/2-1
C. a5 = 1296
, an = 6n-1/2
D. a5 = 36
, an = 6n/2
Mathematics