Savannah warks as a sales rep and receives 4.5% for every $140 she sells. How much commission will she receive? A . y= 1.405x
b. y = 4.5x
C . y=0.045x
d. y=1.045x

How do i do this? i don’t understand

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

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth