Let lambda be an eigenvalue of the matrix a elementof m_n(r). if x_1, x_2, and x_3 are eigenvectors associated with lambda, prove that y = c_1x_1 + c_2x_2 + c_3x_3 is also an eigenvector of a associated with lambda.

Remmi wrote the equation of the line y=⅓(x+2) he solved for x and got x=3y-2 which of the following is an equivalent equation for x? a.x=y-11/3 b.x=y+7/3 c.x=3(y-⅔) d.x=3(y+⅔)

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

At 6 1/2 cents per pound of string beans how much does 7 pounds cost