Answer:
x10
Step-by-step explanation:
BE=1/2 * CD
x=CB/2
x=20/2
x=10
1b,
2b,
3a, which grade is this?
Answer:
A line passes (-7, 0), (-7, -6).
These two passed points have same x-component (x = -7).
=> This is the line which has equation: x = -7.
This is a vertical line (parallel with y axis) and the slope is undefined.
Hope this helps!
:)
Answer: 3.2 tons
Step-by-step explanation:
We know that 1 ton = 2000 pound
Then , 
Given : Mustafa’s horse ate 6,400 pounds of hay last year.
Then, the number of tons of hay his horse ate last year is given by :-

Therefore, the number of tons of hay his horse ate last year = 3.2 tons