What is the common ratio of the following sequence? 7, 21. 63, 189​

Indicate the formula for the following conditions: p^c(n,r)=

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

Find an equation of the line that has intercepts (1,0) and (0,4).