exam Maths Puzzle Numerical Ability

Select the point which is in the feasible region of the system of inequalities
4x+y is greater than or equal to 8
2x+5y is greater than or equal to 18
x is less than or equal to

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exam Other Question
Factor out the greatest common factor
(q - 3)7 + (q - 3)q



I am not understanding how to factor polynomials Kelly has a purse full of quaters and dimes. There are 58 more quaters than dimes and the total value of the change is $19.50. How many dimes are there?