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Maths Puzzle
Numerical Ability
A ten-gallon aquarium is 3 inches higher than it is wide. Its length is 21 inches., and its volume is 2730 inches cubed. What are the height and width of the aquarium?
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how do you find the surface area of a rectangular prism thats length is 6ft. and width is 4ft, and height of one side is 5ft.
please help me solve the following quadratic equations by factorisation;
1.3x^2+11x-4=0
2.x^2+5x-6=0
3.4x^2+14x+6=0
4.3x^2-5x-2=0
5.3x^2-5x+2=0
6.5x^2-14x-3=0