exam Maths Puzzle Numerical Ability

I need to know if you can find the point slope of a line with two points and no slope. If so im am not sure how to do so. Can someoe please help me?

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exam Other Question

The difference of two numbers (the second minus the first) is 48. The second is 8 less than 5 times the first, What are the two numbers? Please help me solve.
I think I am suppose to use proportions to solve this problem.

I have a square. I know it is same all way around.
Problem state--------- x+3 for height a