Factor the expression 30x+40 using the GCF.

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Which of the following circles have their centers on the x-axis? check all that apply.

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.