H=-t^2+8t what interval is the ball increasing in height

To show that polygon abcde is congruent to polygon fghij, a must be used to make the two polygons coincide. a sequence of two transformations that can be used to show that polygon abcde is congruent to polygon fghij is .

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The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.