It cost $480.00 to rent an apartment on the gold coast for a weekend. Last year it cosy $400.00. What method below shoes how you would calculate the% increase?

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.