The table below shows that the number of miles driven by Josiah is directly proportional to the number of gallons he used.
Gallons Used Miles Driven
31
1100.5
44
1562
48
1704
What is the constant of proportionality between the number
of miles driven and the number of gallons used?

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Need plz been trying to do it for a long time and still haven’t succeeded

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days