Answer:
40 + x = y
Just use the variables given to make an equation.
The height is represented by d.
d = 10 feet

Use quadratic formula:
t = 1.58, -2.02 (reject)
1.58 seconds
Answer:
MLH is congruent to JKI
LNK is congruent to HNI
I think that's how you're supposed to answer it...
The question is already solved, but I am adding a response so it won't show up on the unanswered list.