The midpoint of RS is point T. What are the coordinates of point S?
Points : R (-2,3) T (4,-2)

A: (1 , -1/2)
B:(1, 1/2 )
C: (8, -4 )
D: (10, -7 )

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Explain why the factor 1.5 is broke. into two numbers in the model.