exam Maths Puzzle Numerical Ability

Use unit multipliers to convert 7 cubic yards per second to cubic feet per minute.

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exam Other Question

I am having a hard time dividing this rational expression: PLEASE HELP!

6p-18 over 9p divided by 3p-9 over p^2+2p

Thanks in advance!
ac binomial squared to multiply:
(6x+5)exponent2
my work: (6x+5)(6x+5)=
36xexponent2 + 30x + 30x + 25=
36xexponent2 + 60xexponent2 + 25=
96xexponent4 + 25