exam
Maths Puzzle
Numerical Ability
Business and finance. The electricity costs of a business decreased from $12,000 one year to $10,920 the next. What is the rate of decrease?
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exam Other Question
this is not a problem from my book. We are working on rational expressions and equations.
(8a^9)^1/2 sqrt 8a^9
------ = ----
(b^3) b^3
Graph the following equation:
33. 2(x + y) - x > 6