Will mark brainliest‼️ every year 20 fewer students eat in the school cafeteria. assuming this trend continues, write a multiplication expression to show the change in the number of students over the next 4 years. Express this change as an integer.

Afunction is given: f(x)=3x+12 a. determine the inverse of this function and name it g(x) b. use composite functions to show that these functions are inverses. c. f(g(– explain: what is the domain?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

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