If my calculations are right the answer should be c. 40.5mi
Answer:
Option (C)
Step-by-step explanation:
If AD is the altitude to BC, both the segments AD and BC will be perpendicular to each other.
By the property of perpendicular lines,

where
is the slope of the line AD and
is the slope of BC.



Now from the given property,


Therefore, slope of altitude BC = 
Option (C) will be the answer.
Answer:
2:10
Step-by-step explanation:
So add up all the marbles that are in the bag, Then they're asking you of not you getting the green marble and there's 2 green marbles. So it would be the ratio 2:10. Brainliest me please.
9/10 i the answer i believe
Answer
16
Explanation
4x+4=2x+36
-4. -4
4x=2x+32
-2x -2x
2x=32
x=16