Complete the square in the given expression. Then factor the perfect square trinomial.x2 - 10x
A. x2 - 10x + 25 = (x - 5)2
B. x2 - 10x - 100 = (x - 10)2
C. x2 - 10x + 100 = (x - 10)2
D. x2 - 10x - 25 = (x - 5)2
Answer: A
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Find the character of the roots.w2 - 4w + 6 = 0
A. Exactly one rational solution B. Two different irrational solutions C. Two different imaginary solutions D. Two different rational solutions
Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.3 csc2 ? = 4 csc ?
A. {48.6° + 360°n, 131.4° + 360°n} B. {0° + 360°n, 48.6° + 360°n, 131.4° + 360°n, 180° + 360°n} C. {0° + 360°n, 48.6° + 360°n, 131.4° + 360°n, 228.6° + 360°n} D. {0° + 360°n, 48.6° + 360°n, 131.4° + 360°n}
Perform the addition. 
A. 398 B. 4,953 C. 5,944 D. 5,844
Write a system of equations to describe the problem situation. It is not necessary to solve the problem. Paolo earns $481 from working 54 total hours at two jobs. He earns $6.55 per hour (x) at the first job and $9.20 per hour (y) at the second job.
