What number is a factor of all the numbers shown? 45,60,78,84,99

Which statement about the relative areas of triangle abd and triangle xyz is true

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

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?