Estimate a 15% tip for each amount.
1. $68.50
2.$30.80
3.$9.89
4.$27.59

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

Jada has a monthly budget for her cell phone bill. last month she spent 120% of her budget, and the bill was 60$. what is jada’s monthly budget