Rebecca earns 4250 per month, of which 24 percent is taken out of her paycheck for federal and state income taxes and other required deductions Last month she spent $975 for rent and $317 for food. What percent of her take-home pay did she spend on rent and food combined? THIS IS ON A FREAKING 7TH GRADE TESSSTTT I NDDD HELP THE ONLY THING IM ALBERT EINSTEIN AT IS AMONG US JEEZ

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.