Answer:
Step-by-step explanation:

From the initial condition,

So we have that 
Answer:
The answer is A
Step-by-step explanation:
The reason A is correct is because all of the other transformations change the size of the triangle, and A is the only answer that only reflects the image over the y axis without changing it, thus making it similar to the preimage
Yes, that is true, you have to simplify -42/-45 to be able to see if they are equivalant.
Answer:
$242.19
Step-by-step explanation:
6 1/4 as a percent: 25/400
25*3,875= 96,875
96,875^400=242.1875, rounded is equal to $242.19