Original price of concert ticket $43.75 discount 21% how much is the price of the concert tickets after the discount

Which representation has a constant of variation of -2.5

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

How many terms does the polynomial x^2 y^2 have