exam Maths Puzzle Numerical Ability

A washer-dryer combo costs $650. If the washer costs $70 more than the dryer, how much does each appliance cost?

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exam Other Question

if m(-11,13) is the idpoint of segment PQ and the coordinates od P are (-6,6), find the coordinates of Q. i need help solving these quadratic equations using the quadratic formula.
2x^2 - 5x = 3