exam Maths Puzzle Numerical Ability

Perform the indicated operations:

(x^2-11x+4)-(-2x^2+2x-6)-(x2+6x-5)

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exam Other Question

Give the 8th term in the sequence?
6 1/6,6 1/3, 6 1/2 One morning, John drove 5 hours before stoping to eat. After lunch, he increased his speed by 10 mph. If he completed a 430-mile trip in 8 hours of driving time, how fast did he drive in the morning?