What is the coefficient of the x^9-term in the bionomial expansion of (2y+4x^3)^4

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Shelly bought a house five years ago for $150,000 and obtained an 80% loan. now the home is worth $140,000 and her loan balance has been reduced by $12,000. what is shelly's current equity?