What the fraction or mixed number of 3.4what the fraction of0.55what decimal fraction of 0.6

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

If wxyz is a square, which statements must be true?

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.