Which two equations would be most appropriately solved by using the quadratic formula 3x²=9 -(x-3)(x+9)=0 -2x²+5x=7 0,25x²+0.8x-8=0

Given a circle with a radius of 2 which is the length of an arc measuring 75

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).