The equations of two functions are y equals -21x + 9 and y equals -24x + 8 which function is changing more quickly and why

Type the correct answer in the box. use numerals instead of words. if necessary use / for the fraction bar.

Acertain drug is made from only two ingredients: compound a and compound b. there are 3 millimeters of compound a used for every 4 millimeters of compound b. if a chemist wants to make 693 milliliters of the drug, how many milliliters of compound a are needed?

Apopulation of 1500 insects grows exponentially, by a factor of 3 every week. select all equations that represent or approximate the population, p, as a function of time in days, t, since the time it was 1500.