My answer is in the following picture, hopes it can help you ~
84 miles.
You just have to take half of 56 (28) and add it to 56 to get 84
Answer:
-9/7 for the first, 0 for the second the third doesn't exist so also 0 5/3 for the final one
I just learned that a rhombus has equal opposite equal acute angles, opposite equal obtuse angles, and four equal sides. That means y is equal to all the sides! Angle x is 61° and y = 16 in