exam Maths Puzzle Numerical Ability

find the midpoint of the line segment PQ

P(5,9) Q(2,7)

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exam Other Question

kendra is saving to buy a new computer. write an expression to represent the amount of money she will have if she has s dollars saved and she adds d dollars per week for the next 12 weeks.
can someone Please show me how to solve inequality, giving its solution set in both intervals and graph forms, and check my answer? Thanks!

-2 (X-4) < (or equal to) 6X + 16