Which best describes the life cycles of moss and angiosperm? i. both life cycles have protected seeds. ii. both life cycles involve meiosis. iii. moss fertilization occurs in the air; angiosperm fertilization occurs in a pool of water. iv. moss release haploid spores into the surrounding environment; angiosperm release haploid pollen grains into the surrounding environment. a-i and iii b-i and iv c-ii and iii d-ii and iv

The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

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.