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
Graph the inequality.the sign is less than or equal to
x - y < 2
Find k if the following system of equations has infinite solutions
kx + 3y = k - 3
12x + ky = k