What is y^1/2 - y^5/2

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Find the difference (8ab+a+2) - (3ab+6)

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done