Answer:
140
I am not completely sure but what i did was
56/? = 40/100
56*100
5600/40
Since AC is perfectly equal to BD, 4x-60=30-x. If you solve for x, x=18. Then plug 18 into BD=30-x. Therefore, BD=12.
2.375 in
Step-by-step explanation:
let's simplify ~
Answer: D