help or else no brainlist and also this is due today so please get this right or else um I guess you get 1 star​

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.

Michael split a rope that was 28 inches long into 5 equal parts. brenden split a rope that was 30 inches long into 6 equal parts. which boy's rope was cut into longer pieces?