Multiply the polynomials. (x2 – 4) (x2 + 3x – 5)

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

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.

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read