Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations. x+y-z=-2 2x - y + 3z=9 x - 4y - 2z=1

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb

Which of the following is the sum of 3 1/6 + 6 3/8?