9) Use dimensional analysis to solve the problem. A student is in class 400 minutes every day for 5 days each week. How many seconds is this?

Conversion factors: 1 day = 24 hours; 1 hour = 60 minutes; 1 minute = 60 seconds
12,000 sec
120,000 sec
1,200,000 sec
60,000 sec

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?