exam
Maths Puzzle
Numerical Ability
8a-8b8 (a to the -8th power and b to the 8th power
_______ (over or divided by)
64a-8b-4 (a to the -8th power and b to the -4th power)
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exam Other Question
simplify and reduce to lowest terms or rationalize
1/((sqrt)t-5)+3/((sqrt)t+5)
An arch is semi-elliptical with a base that is 20 feet wide and a height at the center of 8 deet. How high is the arch 6 feet from the center of the base.