Kala is putting money into a savings account. she starts with $450 in the savings account, and each week she adds $40 . let s represent the total amount of money in the savings account (in dollars), and let w represent the number of weeks kala has been adding money. write an equation relating s to w . then use this equation to find the total amount of money in the savings account after 13 weeks.

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?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy