Pentagon A'B'C'D' E' is the image of pentagon ABCDE under a dilation with a scale factor of 1/2 What is the length of segment C'D'?

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

Average acceleration: i have no idea how to do this.

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3