What is the height of a trapezoid with one base equal to 20\text{ m}20 m20, start text, space, m, end text, the other base equal to 7\text{ m}7 m7, start text, space, m, end text, and an area of 135\text{ m}^2135 m 2 135, start text, space, m, end text, squared ? round your answer, if necessary, to the nearest hundredth.

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.

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.