Answer:
m^2-m-12
Step-by-step explanation:
Answer:
A. 
Step-by-step explanation:




Answer:
87
Step-by-step explanation:
Answer:
(15 , 7)
Step-by-step explanation:
(-3+0+3+6+9 , 11+-7+-3+1+5)
(15,7)
Sylvia is correct because a right triangle needs to have 1 right angle and 2 acute angles, it cannot have more than 1 right angle.