Answer:
(4,0),(0,-12)
Step-by-step explanation:
It should be a right angle (90º).
Answer:
a equals 105°
Step-by-step explanation:
angles in a straight line add up to 180°
a+75=180
a=180-75
a=105°
Answer:
When you distribute the 7 to each set you get 14-21n and 14-21n
Step-by-step explanation: