When x = 12, y = 36. when x = 3, y = 9. what is the constant of proportionality? enter your answer in the box.

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Guys i really need or i have to stay late up night

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made