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Explain the importance of Henrietta Lacks, HeLa cells.

Discuss the way gravity depends on the masses of two interacting bodies and on the distance between them. If one body was to try to escape its orbit, what two major factors would affect the necessary escape velocity?

Give a (real) example of a violation of the ``right to access the Internet'' as a negative right (liberty).

Walter Burton was a self-employed window washer earning approximately $700 per week. One day, while cleaning windows on the eighth floor of the Commercial Bank Building, he tripped and fell from the scaffolding to the pavement below. He was immediately rushed to the local hospital for surgery. He remained there for 54 days of treatment, after which he was allowed to go home for further recuperation. During his hospital stay, he incurred the following expenses: surgeon, $3,000; physician, $1,500; hospital bill for room and board, $260 per day; nursing services, $1,300; anesthetics, $600; wheelchair rental, $100; ambulance, $150; and drugs, $350. Walter has a major medical policy that has a $3,400 deductible clause, an 80 percent co-insurance clause, internal limits of $160 per day on hospital room and board, and $1,900 as a maximum surgical fee. The policy provides no disability income benefits.
1. How much should Walter recover from the insurance company?
2. How much must he pay out of his own pocket?

The heat island effect occurs mostly on islands in the South Pacific.
true or false

Dench has received a special order from Sands to produce 225 components to be incorporated into Sand's product It produces the components in batches of 15 and as the ones required are to be custom made to Sands' specifications a 'prototype' batch was manufactured
Materials $
4kg of A $ 7.50/kg 30
2kg of B $ 15kg 30
Labour
20 hrs skilled $ 15/hr 300
5 hrs semi-skilled $8/hr 40

Variable overhead
25 labour hours $ 4/hr 100 500



Dench's plans to exclude the prototype batch from Sands order Management believes a 80% learning rate effect is experienced in this process and would like a cost estimate for the 225 components prepared on that basis
Prepare the cost estimate assuming an 80% learning rate is experienced

Using Green’s Theorem evaluate the integral ∫(y^3dx- x^3dy)


where C is a circle of
radius 3 units centered at the origin.