If the area of figure 1 is 6 and figure 2 is 24. figure 3 is 54 then what area for figure 4 and 5

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10