The angle measures of a triangle are in the ratio 1:2:3. Are the side lengths also in the ratio of 1:2:3? Help would be much appreciated

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3