Answer:
B
Step-by-step explanation:
Standard form is ax^2+bx+c
the square doesn't really have to be something squared but the one to the largest power should be in the right
Choice B is the only that does not follow that rule since the squared coefficient is in the middle
x=10
Set up the equation, (3x+6)+54=90 because both angles equal up to 90 degrees, and then solve for x.
x=7
4x-12=16
4x=28
2
