Algebra 1
e 4 multi-step problems with unit conversions
pedro is making colorful friendship bracelets for 6 of his friends. he has all of the colors of
thread he plans to use except for green. if every bracelet uses 22 inches of each color of
thread, how many feet of green thread should pedro buy from the craft store?
write your answer as a whole number, decimal, or simplified fraction. do not round.
feet
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Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Which expression is equivalent to the expression shown?

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.