Answer:
Step-by-step explanation:
combine like terms
-7x + 3x - 15y - 2y
-4x - 17y
Answer:
Step-by-step explanation: 4848474838387398437939743927938<em>5</em>
Answer:
Step-by-step explanation:
Answer:
a part of a line that has one endpoint and extends indefinitely in one direction
Step-by-step explanation:
a ray has one endpoint, then has an arrow going indefinitely in one direction.