Help with math homework, show all work please! (All problems, I know it’s easy, I’m just behind on homework and don’t have time to complete)

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters