Please help i do not understand

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 each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)