exam
Maths Puzzle
Numerical Ability
x^2-5x-14=0
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exam Other Question
A bus leaves a station at 1 P.M., traveling west at an aver-age
rate of 44 mi/h. One hour later a second bus leaves the same station, traveling
east at a rate of 48 mi/h. At what time will the two buses be 274 mi apart?
simplify
(-9x^2y^4)(2x^3y^2/3x^5y^7)