exam Maths Puzzle Numerical Ability

Find the length, slope, midpoint and equation to the line
PQ.

P (7, 11)
Q(-2,4)

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exam Other Question

A new DVD camcorder sells for $1250. To finance the camcorder through a bank, the bank requires a down payment of 10% and monthly payments of $96.50 for 12 months.
A) how much mon Help! I need help with a couple of problems.

1. Solve the inequality. Give the solution set in interval notation and graph it. x^2-2x-3>0
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2.Find the real number c such that x^2-2/3x+c is a perfect square trinomial.