Answer:
A is 9:1 B is 1:9 C is 5 miles D is 63 minutes
Step-by-step explanation:
This is pretty hard but um in decimal form it would make 0.9010162353515625, but to simplify it the answer would be 0.9
Answer: -x^2-2x-1
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
example A(2a,0),B(2b,0)
C(2b,2c),D(2a,2c)
mid point of AC=((2a+2b)/2,(0+2c)/2)=(a+b,c)
mid point of BD=((2b+2a)/2,(0+2c)/2)=(a+b,c)
∴midpoint of diagonals same or diagonals bisect each other.