I think it is B because it isn’t a solid line and it’s going up
This will only have one solution because it does not deal with a quadratic. Then to isolate x you need to get the similar terms on different sides by subtracting or adding, Then divide both sides by the number next to x (coefficient).
Answer: $817.35
Step-by-step explanation:
150x4 = 600
600+217.35 = 817.35
1) 
2)
is a right angle (perpendicular lines form right angles)
3)
is a right triangle (definition of a right triangle)
4)
and
are complementary (the acute angles of a right triangle are complementary)
Answer:
Step-by-step explanation: