The product of two consecutive integers is 420

What constants do you need to add to each of the following quadratic equations to complete the square? 2x2 - 3x = 0 x2 - 8x = 0 2x2 - 11x = 18

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left