question seems incomplete
there are no notations for inequalities
FOIL
x^2+11x-9x-99
x^2+2x-99
Answer:
Step-by-step explanation:
Answer:
Not a right triangle
Step-by-step explanation:
Find AC by doing 22-13=9
Use Pythagorean Theorem to determine if it is a right triangle.
8 squared plus 5 squared=89
Square rt= 9.43
And 9.43 is not equal to 9.