E – CT – OE16

The cost of three items is a lot more than expected. What is the cost of each item? Estimate the total cost of the transaction?

E – CT – OE1

The estimated cost of a transaction including multiple items is $500. What could the actual cost of each item be?

E – CT – OE2

The estimated cost of a transaction including four items is $3200. What could the actual cost of each item be?

E – COA – OE11

Two series of point graphs could look very different even when displaying the same data. Draw two series of points graphs that reflect this situation.

E – COA – OE12

Two series of point graphs could look very similar even when displaying the different data. Draw two series of points graphs that reflect this situation.

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