Convert 77 centimeters into feet. Hint: 1 in = 2.54 cm; 1 ft = 12 in

77 centimeters = 2.52625 feet

Step-by-step explanation:

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plz mark as brainliest!

a) justify

step-by-step explanation:

justifying is just part of everyday life. justify kind of means proof so i think the answer is a) justify.

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option