exam Maths Puzzle Numerical Ability

Use FOIL to multiply:
(5x � 1)(3x � 2)

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exam Other Question

Solve the system by substitution.
x + 4y = -4
3x - 3y = -12 Leah and Ryanne went for a bike ride into the country. They averaged 24 miles per hour on the way out and 18 miles per hour on the way back, by the same roads. Their total travel time was 7 hours. How far did they go?