exam Maths Puzzle Numerical Ability

Solve the system by any method

{x=9/2+5
2x-9y=10

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exam Other Question

CAN SOMEONE PLEASE HELP ME WITH THIS PROBLEM:

CONSIDER g(x) = (x + 2)^3; what is the new equation for g(x) if it is shifted up 6 units and shifted right 9 units? Nancy jogs and walks to school every day. She does 4km/h walking and 8km/h jogging. From home to school it is 6km and it is an 1 hour trip. Using substitution how far does Nancy jog?