About logic
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Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Factor the polynomial by its greatest common monomial factor.

Aplane is flying at 32,500 feet. it needs to rise to 36,000 feet in two stages.• in stage 1, it rises 5% of its initial altitude of 32,500 feet.• in stage 2, it rises at a rate of 125 feet per minute.how many minutes does it take for the plane to rise during stage 2?