Mike's company designs and sells t-shirts to local high schools. He charges for each shirt purchased and a one-time design fee. The total cost for two shirts to be printed is $17 and the cost for seven shirts to be printed is $29.50. what is the independence variable and dependent variable

Write a story that matches with the expression 42x-5 pls hurry

Identify the polynomial. a2b - cd3 a. monomial b. binomial c. trinomial d. four-term polynomial e. five-term polynomial

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.