Do these ratios make a proportion? 8/11 and 88/111

For the function, f(x) = -5x 2, find f(-4).

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

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.