Which statement about these triangles is true?

Which system(s) of equations has (have) no solution? Select ALL that apply.​ x+3y=0; 2x−4y=0x+3y=0; 2x−4y=0 x+5y=10; x+10y=5x+5y=10; x+10y=5 x+8y=6; 3x+24y=9x+8y=6; 3x+24y=9 2x+3y=4; −4x−6y=−42x+3y=4; −4x−6y=−4 2x+8y=4; x+4y=2

Which of the following is equivalent to the expression

Which describes the number and type of roots of the equation 4x^3-6x^2+15x+2=0?

Dylan buys a pair of shorts for $16 plus a 9% tax. Jeremiah buys a watch for $14 plus a 9% tax. round to the nearest cent