Jane is going to fence in her back yard. she has purchased 100 feet of fence she wants to fence in a rectangular area where one side will be the back of her house. she knows her house is 30 feet across the back. which of the following is the equation that jane can use to figure out how far back from the house she can fence in? a.30x=100 b. x+30=100 c. x+x+30=100 d.30(x+30)=100

step-by-step explanation:

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m