Determine the value of each variable.[8 b -9] + [a 5 c] = [3 -9 5]
A. a = 5; b = 14; c = -14
B. a = -5; b = -14; c = 14
C. a = 
; b = - 
; c = - 
D. a = 11; b = -4; c = -4
Answer: B
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Give the exact value.csc 
A. 2
B. 
C. 
D. 
Solve the problem. Round to the nearest tenth, if necessary.If an object is thrown upward with an initial velocity of 
, its height after t sec is given by 
. Find the maximum height attained by the object. (The object will attain maximum height exactly at the halfway point in terms of the time t, where t = 0 is at the beginning of the object's flight, and the final time is when the object hits the ground.)
A. 4 ft B. 0 ft C. 16 ft D. -12 ft
Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 
Perform the indicated operation. Assume that all variables are nonnegative.x
- 6
- 7x
A. -13x
B. -38x
C. -13x
D. -38x