exam Maths Puzzle Numerical Ability

draw a worm whose tail end has these expressions in:
3(2x^2 + 7)

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exam Other Question

PPS

45: Lines p and q are parallel. The slope of p is 5 and the slope of q is 10/v. What is v? Find the distance between (4,0) and (-9,0)

How would I go about solving this type of problem? The answers are one of the following:

A) 9
B) sqrt97
C) 5
D) 13

Thank you!