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

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !