Consider the system of equations.
5x - 2y=6
-10x + 4y = -12
Check all the statements that are true
The lines coincide.
The system has no solution
The slopes are equal.
The y-intercepts are equal
The system has an infinite number of solutions
PLAZ HURRY

Can any one me with the answers to these questions asap?

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

An observer(o) spots a plane(p) taking off from a local airport and flying at a 29 degree angle horizontal to her line of sight and located directly above a tower(t). the observer also notices a bird circling directly above her. if the distance from the plane(p) to the tower(t) is 6,000ft., how far is the bird(b) from the plane(p).