What is 40/7 as a mixed number

Place the following steps in order to complete the square and solve the quadratic equation,

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()