Image below please- giving 40 points for help

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution