Please help me. The grade you make on your exam varies directly with the number of correct answers you get on the exam. Answering 32 questions correctly will give you a grue of 80.

What is the constant of variation?

Write an equation to represent this situation. y=

How many questions do you need to answer correctly to get a grade of 90?

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 (%).