Kevin is 2 times as old as gabriela.12 years ago, kevin was 6 times as old as gabriela

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.