How do you change your profile name thing

The arizona department of transportation wishes to survey state residents to determine what proportion of the population would like to increase statewide highway speed to 75 from 65 mph. at least how many residents do they need to survey if they want to be at least 99% confident that the sample proportion is within 0.09 of the true proportion?

A.passes laws and adopts budgets b.resolves disputes among members c.ensures legislation is applied fairly d.represents the eu globally a recent challenge to the european union created by a member state is a.migration b.free trade c.brexit d.the euro which is the most powerful position in the british government? a.the monarch b.the chancellor c.the prime minister d.the president which describes a constitutional monarchy? a.a monarchy in which a king or queen has all the power b.a monarchy in which the people elect the king or queen c.a representative government with a mostly ceremonial ruler d.a representative government with only one set of written laws

If a swimmer is traveling at a constant speed of 0.85 m/s,how long would it take to swim the length of a 50m olympic sized pool?