In 1985,there were 285 cell phone subscribers in the small town of centerville. The number of subscribers increased by 75% per year after 1985.How many cell phone subscribers were in centerville in 1994?

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

What is perpendicular to y=-1/2x+11

Me i’m stuck on all these questions besides the two bottom ones