Exercise 5: Imperial... 1
Beverley's husband, Kirk, fills the tank of their hire car. The car
takes 14 gallons and costs $47,60.
1.1
How many l of fuel did he put in?
(TL2)
1.2
What is the cost of the fuel per gallon?
(TL2)
1.3 If the exchange rate is $1 = R8,40, what is the price of 1 t in ZAR
(South African Rands).
(TL3)
How does this price compare with the price of fuel in South Africa
(IL)
today 2
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Which term best describes the association between variables a and b

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4