exam Maths Puzzle Numerical Ability

Convert 8.4 to a percent.

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exam Other Question

rewrite middle term as the sum of two terms and factor completely

1.12w^2+19w+4



2.4z^3-18z^2-10z
Henry sold 120 magazine subscriptions in x+2 days if he sold at the same rate for another week then how many magazines did he sell in the extra week?