Anita works part-time as a waitress. she earns $6.95 per hour. for the week, she makes $42.90 in tips. how many hours does she need to work to earn more than $168 for the week.

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

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 (%).

What is the absolute value of the complex number -4-sqrt2i