Answer:
The answer is "The second choice".
Step-by-step explanation:

Formula:


Answer:
Part 1) 
Part 2) 
Part 3) 
Step-by-step explanation:
we know that
EB=ED+DB
ED=DB -----> given problem
Substitute the given values and solve for x




<em>Find the value of ED</em>

substitute the value of x

<em>Find the value of DB</em>
Remember that
ED=DB
therefore

<em>Find the value of EB</em>
EB=ED+DB

Answer:
x=15
Step-by-step explanation:
21:2x=7:10 can be rewritten as 21/2x=7/10
21/2x=7/10, cross multiply
= 14x=210
x=15
A line that would appear like this ( / ) on a graph would have a positive slope because the coordinates that the line passes through are increasing from left to right.
Step-by-step explanation:
option C is correct....