Find the solution to the system of equations. x + y + z = 11
y+z= 5
z = 9
O A. x = 3, y = -4, z = 9
O B. x = 6, y = -4, z = 9
O C. x = 3, y = 4, z = 9
O D. * = 6, y=-4, z = 7

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?