Marcus and Tia live in different states where the sales tax on items is different. Marcus buys a pair of shoes that cost
$35.99 plus 5.5% tax. Tia buys a pair of shoes that cost $39.99 plus 9% tax. Tia uses a coupon for 15% off her
purchase. What is the difference in the total costs, to the nearest cent, that Marcus and Tia pay for their shoes? Show
your work using expressions or equations.

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?