in the 21st century, people measure length in feet and meters. at various points in history, people
measured length in hands, cubits, and paces. there are 9 hands in 2 cubits. there are 5 cubits in 3
paces.
(unit 2, lesson 3)
a.
write an equation to express the relationship between hands, h, and cubits, c.
b. write an equation to express the relationship between hands, h, and paces, p.
in a savings account after m months.

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.

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Which of the following circles have their centers in the third quadrant?