exam
Maths Puzzle
Numerical Ability
Help please: Determine algebraically whether the lines are parallel, perpendicular or neither. State the number of solution.
x - y = 5
x = 5 - y
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exam Other Question
Mindy left at 8 am and will arrive at 1 pm. Kelly left at 8 am and will arrive at 2 pm. How many miles is the trip if Kelly is traveling 10 mph slower than Mindy?
Factor completely:
7x^2 + 49x + 42