Solve the following systems of equations 2x+3y-z=1 3x+y+2x=12 x+2y-3z=5

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

He expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. if the length is fraction 2 over 3 unit and the width is fraction 1 over 3 unit, what is the perimeter of the rectangle in units? fraction 2 over 3 unit 1 unit 1fraction 2 over 3 units 2 units

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?