please help me with these 3 questions i will mark best answer brainliest!

which of the following are equivalent to 85% (choose 2 answers)
0.085
0.85
85/100
19/20

solve the proportion 5/8 = y/40
y = 25
y = 13
y = 11
y = 10

solve the proportion g/56 = 2/8
g = 14
g = 16
g = 13
g = 50