The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system.
1 0 -1 -3
0 1 5 -4
0 0 1 1

A. x = -3
y = -9
z = 1

B. x = 2
y = -9
z = 1

C. x = -2
y = -9
z = 1

D. x = 3
y = -9
z = 1

5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .