I'm doing this writing promt but I don't know how to answer it. Please help me

Katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?