Reese wants to organize a party and decides to save money for it. He calculates that he needs to save at least $420 in 9 weeks. He already has $60.Part A: Which of the following inequalities could Reese use to find x, the least amount of money he should save every week for his party? 420 > 9x + 60
420 < 9x + 60
420 ≥ 9x + 60
420 ≤ 9x + 60

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

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.

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?