Answer:
Sophia took a test with 21 questions.
If she answered two sevenths of the questions correctly, number of correct answers she did: N = 21 x 2/7 = 6
=> Number of answers she got wrong: N = 21 - 6 = 15
Hope this helps!
:)
The answer will be the letter B
-8x-12+y^2
This is my aswer haha
You don't say if the answer needs to be rounded
the height is 77.27 meters ( not rounded)
see attached picture for solution: