exam Maths Puzzle Numerical Ability

Hello,
please help!!!!
1)Work. Henry sold 120 magazine subscription in x + 2 days. If he sold at the same rate for another week, Then how many magazines did he sell in the extra

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exam Other Question

questions----- Evaluate 2x-3y when x=-5 and y=-4 ? Simply the expression

3x(x^5)^2
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6x^3(x^2)^4