River, Simon and Teresa are entrepreneurs in the technology business. All together they have over 51 years of experience. Teresa has twice as many years of experience than
Simon plus 5, and River has 3 less years than a half of Simon's. How many years does
each person have? ( Can you guys hurry plz it’s due by 11:59 pm)

Whats the name of the vertical axis

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 (%).

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.