Kaya had a string 6 1/8 in. long. she cut off a piece 2 ¾ in. long. how
long is the remaining piece of original string?
need fast!

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days