ms chickens has a bank balance of $72 at the start of the month. On the 3rd of the month, he withdrew $20. Then on the 8th, he withdrew 5 times the amount he withdrew on the 3rd.

Use the distributive law to multiply. 3(4x + 5y + 6)

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.

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.