Answer:
Image A shows a reflection.
Answer:
https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwjTs6Grhv3gAhUSJTQIHacODEgQjRx6BAgBEAU&url=http%3A%2F%2Fwww.1728.org%2Fquadtrap.htm&psig=AOvVaw1WUFCr5yJyx6GQDh_caBfn&ust=1552495399972536
Yes . The answer is 30 , bby the30 power
The answer is D. He divided both sides by 5 instead of dividing both sides by -5.