Answer the question. Give your answer in simplest form.A 6-minute egg is cooked for what fraction of an hour? (1 hour = 60 min)
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: B
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Solve the system using the inverse matrix method.
A. x = 7, y = -17, z = -5; (7, -17, -5) B. x = -16, y = -6, z = 7; (-16, -6, 7) C. x = 15, y = 25, z = 13; (15, 25, 13) D. x = 9, y = -5, z = -1; (9, -5, -1)
The middle term of the trinomial has been rewritten. Now factor by grouping.12x2 - 9xy - 20xy + 15y2
A. (12x - 5y)(x - 3y) B. (3x + 5y)(4x - 3y) C. (3x - 5)(4x - 3) D. (3x - 5y)(4x - 3y)
Tell how many solutions the system has. Do not actually solve. 3x + 2y = 3 9x + 6y = 9
A. Infinitely many B. No solution C. One solution
Solve the problem.Two points A and B are on opposite sides of a building. A surveyor selects a third point C to place a transit. Point C is 48 feet from point A and 64 feet from point B. The angle ACB is 52°. How far apart are points A and B?
A. 91.1 ft B. 67.1 ft C. 100.9 ft D. 51.2 ft