exam Maths Puzzle Numerical Ability

[(2+3)to the power of 2 -4.5]+7

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exam Other Question

a messenger left a construction site and traveled by jeep at 51 km/h. Forty minutes later it was discovered that she had been given the wrong parcel. How fast must a second messenger travel to overtake her in one hour How do you factor this completely and does it have a GCF?

x^10y^3-4x^9y^-21x^8y