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. The profit and the number of
candles sold form a linear relation.
What is the slope and what does it mean in this problem?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z