Answer:
Step-by-step explanation:
200 = c
100/45=2.2.
2.2x90= 200.
B) -19
-7 + 2x = -45
+7 +7
2x = -38
/2 /2
x = -19
(-1/2, 27/2)
Midpoint formula: (x^1 +x^2/ 2, y^1 +y^2/ 2)
(-4 +3 /2, 12+15/ 2) -> (-1/2, 27/2)
Answer: C.