Area = length of base × altitude
34 = 8.5 × a
34 = 8.5a
a = 34/8.5
a = 4
The altitude of the corresponding side is 4 cm
In plain and short, what's 2/3 of 7/8? well, is just their product.
Y=2
Since the table (y) increase by 2 each time the answer would be y=2