To Joey decides to empty his piggy bank and count his money. His bank is filled
with only nickels and dimes. Joey counted a total of 45 coins that added up
$3.15. How many nickels and how many dimes does Joey have in his piggy bank?

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?

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

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)