book Maths Puzzle Numerical Ability

GIVEN THE FOLLOWING INFORMATION, DETERMINE WHICH LINES, IF ANY, ARE PARALLEL. STATE THE POSTULATE OR THEOREM THAT JUSTIFIES YOUR ANSWER.

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book Other Question

Is this right?

simplify: v^1/3*v^2/5

= v^2/15

Thanks
how do i graph -5 is less than x less than or equal to 7 on a line plot?
PLEASE ANSWER BACK ASAP!!!!!!!!!!!