A = 1/2 bh
A = 1/2 (21)(8)
A = 1/2 (168)
A = 84
True the circle is a congruent to the radius of an inscribed regular polygon inside the circle
-3/5 they have opposite slopes so they would never touch but are parallel.
Answer.
5x+7y=50
Step-by-step explanation:
7y=5x-50
y=(5x-50)/7
