Acompany is evaluating a new reading program that is supposed to improve test scores. the box plots show the results of reading tests given before and after using the program. with this data, what is the most reasonable answer to the question: does the program improve test scores?

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

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.

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.