Answer:
I’m pretty sure it’s Triangle ABC is congruent to Triangle DEF.
Step-by-step explanation:
If you rotate Triangle DEF to where the 90 degree angle is on the bottom right, you can the compare the two triangles. You can divide 300/25, 240/20, and 180/15. They all result in 12 meaning they are congruent and similar in that way. (I’m only 90% this is right btw)
Answer:

Step-by-step explanation:
Trust me.
412 divide by 84 how many times can 84 go into 412
84 can go into 412, 4 times and four time 84 equals
331, then continue dividing 84 into the number you obtain by sutracting the number before and the multiple of 84 and x
your answer will be 4.904
Answer:

Step-by-step explanation:
Given:

Required
Determine the domain
A relation is represented as: 
Where:
are the domain of the relation
So, by comparison:
or
represents the domain