exam Maths Puzzle Numerical Ability

line 1 passes through the points (1,-2) and (-2,-4)
line 2 passes through the points (2,2) and (0,5)
is the prependicular or parallel

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exam Other Question

Sally walks 3 miles north of her farm, turns west and walks 4 miles. How far must she walk if she can walk directly back to her farm? please solve this problem

the distance "s" to school is 1/5 mile more than the distance "c" to the community center swimming pool.