4. The City of Ottawa has a land-use plan for one of it's communities. It wants to distribute part of a 517 ha area as follows: Residential 196 ha
Roads 75 ha
Green Space 55 ha
Businesses 111 ha

What percent of the 517 ha are designated for each type of land use?
Residential %
Roads %
Green Space %
Businesses %

The parabola opens: y=√x-4 (principal square root) up down right left

Can any one me with the answers to these questions asap?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?