exam Maths Puzzle Numerical Ability

4x2 + 44x + 96

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exam Other Question

I need to write a rule for finding the ones digit in any power of 7.

the ones place pattern repeats 7,9,3,1,7,9,3,1
I cannot figure this one out and I have been trying for a while now. I need help please. Please show me the steps to solve this. D Steele
Solve the system by substitution:
3X + 5Y = 2
Y = -X + 2