Here are some basic formulas you might use to help you solve the following problems.
y = a(1 +r) y = a(1 - 1) A = P(1 + )"
Suppose that a car has a value of $30,000 when it is purchased, and
decreases in value by 20% per year.
After how many years will the car be worth less than $5,000? Round to
the nearest year.

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

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