exam Maths Puzzle Numerical Ability

The difference of two numbers is seventy-two, and if the larger number is divided by the smaller number, then the quotient is seven and the remainder is six. Find the numbers.

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exam Other Question

How would I simplify this?

p^3+3q^2-q+3p^3

Im no good at simplifing please help me.
Can someone help me graph this problem. I have to put it on the computer and send.

I need to graph the following function:

f(x) = 2x - 5

Thanks,
Ashley