Hector wants to tend a parcel to Spain. His parcel is a cuboid with dimensions 10cm, 10cm and 40cm. He looks at the prices of two companies, WeGoFast and ParcelsFly. WeGoFast Total cost: Sum, in cm, of the 3 dimensions x £1.20. ParcelsFly Total cost: Volume measured in cm^3 x £0.02. Find the cost of spending the parcel with each company. Give each of your answers in pounds. (£)

3. find the radius of circle p.4. find y.

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

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.