8) In England in 2010 there were 68820 deaths caused by cancer.
Of these deaths, 37500 were caused by smoking.
What percentage of deaths due to cancer were caused by smoking?
Give your answer to 1 decimal place.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices