The fraction model below shows the steps a student performed to find a quotient. Which statement BEST interprets the quotient? A. There are 6 2/3 three-eighths in 2 1/2.

B. There are 7 1/2 two and one-halves in 3/8.

C. There are 7 1/2 three-eighths in 2 1/2.

D. There are 6 2/3 two and one-halves in 3/8.

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Write the expression 7x^3-28xy^2 as the product of 3 factors

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.