In 15 minutes, Owen assembled 5 valentines. Which ratio accurately compares valentines to minutes? 1 to 3 ,10 to 15 , 15 to 5 , 1 to 5​

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Which expression is equivalent to -5(3x - 6/7)

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?