Answer:
pls dont kill me for wacky lines. this shall just give you a basic idea. the important part is the 90° angle
Answer:
B.
Step-by-step explanation:
a = 2.828
b = 2.800
c = 2.288
d = 2.288
Answer:

Step-by-step explanation:
The equation of the line in point-slope form is given as

Here m=-3 and (x1, y1)=(5, 9)
Therefore,

Answer:
Your friend is incorrect because if you divide 21 by 7 you will get 3 if you add 7 to 3 you get 10 therefore your friend is incorrect.
Answer:
A is the answer its 18 percent off
Step-by-step explanation: