exam Maths Puzzle Numerical Ability

What does this expression mean?

─ ∞ < t < ∞

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exam Other Question
Translate each verbal expression into an algebraic expression a. Five subtracted from a number. b. The ratio of a number and six Simplify by factoring. Assume that all expressions under the radical represent nonnegative numbers.

4&#8730;405x^4y^6

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