Perform the matrix operation.Given B = 
, find (-2)B.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.You are playing a game in which a single die is rolled. If a 2 or a 5 comes up, you win $48, otherwise you lose $3. What is the price that you should pay to play the game that would make the game fair?
A. $15 B. $7.50 C. $13 D. $14
Mathematics
Find the angle between the planes.3x + 3y + 4z = 6 and 4x + 5y + 2z = -2
A. 1.286 B. 1.108 C. 1.312 D. 0.463
Mathematics
Factor completely. If a polynomial cannot be factored, say it is prime.12a2 - 5ab - 3b2
A. (3a - b)(4a + 3b) B. prime C. (12a + b)(a - 3b) D. (3a + b)(4a - 3b)
Mathematics
Use the distributive law to multiply.6(2r + 2 + 3s)
A. 12r + 12 + 3s B. 12r + 2 + 18s C. 12r + 12 + 18s D. 12r + 2 + 3s
Mathematics