Front

What is the formula to calculate the change in height when given the highest and lowest points?

Back

Change in height = Highest point - Lowest point

Front

If a roller coaster peaks at 248 feet and bottoms out at -119 feet, what is the change in height?

Back

367 feet

Front

What is the total cost of items if two books cost $8.99 each, one video game costs $19.99, and three board games cost $11.99 each?

Back

Total cost = 2 * 8.99 + 19.99 + 3 * 11.99 = $73.94

Front

How do you calculate the remaining balance on a gift card after making a purchase?

Back

Remaining balance = Initial balance - Total cost of items purchased

Front

If Jessica has a $100 gift card and spends $73.94, what is her remaining balance?

Back

$26.06

Front

What does it mean for an expression to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of their variables.

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Front

What is the importance of understanding equivalent expressions in mathematics?

Back

Understanding equivalent expressions helps in simplifying problems and solving equations more efficiently.