B. 39
Good luck on yourself timed exam!
Answer:
x=-6
Step-by-step explanation:
13. 9x^2-36x+36
14. 4x^2+14x+20
Remember area formula for a square is Length times Width.
The area formula for a triangle is 1/2base times height.
Answer:
77
Step-by-step explanation:
a tirangle has 180 degrees so 180-53-50=77
and x value is 77, that is easy.