Which expression represents a factorization of -48x + 30y?
a. -6(-8x - 5y)
b. -6(-8x + 5y)
c. -6(8x - 5y)
d. -6(8x+5y)

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

This is about circle theorems. someone asap : (

Which answer goes into the box? (90° clockwise rotation, 90° counter clockwise rotation, translation, or glide reflection)