Josie calculated 1/5+2/7 and said the answer was 2/7 explain how you know that Josie's answer dose not make sense

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

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.