exam Maths Puzzle Numerical Ability

Find the dimensions of a box whose area is 196 cu. in., whose surface area is 280 sq. in., and whose width is twice its height.

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exam Other Question

this was on my test:

Factor completely


8x(Cubed)-27

in words:
eight x cubed minus twenty seven
Can someone tell me if there are "like terms" in this equation?

12rt - 10r + 18t

Thanks