Last week, Shane bought 14 shirts and 8 hats for a total of $146.
Today, Shane bought 26 shirts and 9 hats for a
total of $236.
Assuming neither item has changed in price, what
is the cost of a shirt in dollars?

Pokój na planie w skali 1: 100 jest prostokątem i ma wymiary 5,2cmx4,4cm. jaką powierzchnię w m2 ma pokój? ile m bieżących wykładziny dywanowej o szerokości 5m trzeba kupić by wyłożyć cały pokój jednym kawałkiem przy minimalnych stratach ? ile zapłacimy za wykładzinę jeśli 1m2 kosztuje 30 zł ?

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .