Q. tobi, ayo, and ade were picking mangoes. tobi picked twice as much mangoes than ayo. ade picked 2 kg more than ayo. together the three of them picked 26 kg of chestnuts. how many kilograms did ayo pick?

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

Aline that intersects one of two parallel lines intersects the other also always sometimes never

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.