Multiply all 4 an the answer is gonna be the area
Answer:
r = -6
Step-by-step explanation:
6r + 7 = 13 + 7r
-6r both sides
7 = 13 + r
-7 both sides
r + 6 = 0
-6 both sides
r = -6
The answer is the third one
Answer:
true, false, and false
Step-by-step explanation:
Just set the equations equal to each other
(1,-4)