Mean sea level Mean sea level has very little variability across all ocean basins and, therefore, is treated as an absolute value. is based on average tidal levels recorded hourly at a given site over a period of many years. is a consistent value yet to be determined due to the variables involved in producing the tides. is constant enabling scientist to determine a single value thereof, though there are local minor variations. is at the same level along the entire North American coast.

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.