b. The freezing point of water is 273.15 Kelvin. What is this temperature in Fahrenheit? 273.15K= # Fahrenheit

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)