How do you find the conjugate of 4-4i

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.