Determine whether the pair of functions are inverse functions

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.

Triangle knm is what is true about the sides of knm

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x