exam Maths Puzzle Numerical Ability

1. 2 RADICAL 5 (3 RADICAL 2 + RADICAL 45 - 4 RADICAL 5 )

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exam Other Question

james and thomas are in two cities which are 186 miles apart and travel toward each other, james, average rate was 32 mph and thomas average rate was 36mph if james started at 9:00 A.M and thomas started at 9:30 A.M, at what time did they meet? Determine whether the lines are parallel, perpendicular, or neither.
y = 1/7x - 20
y = 7x + 15