You want to estimate the proportion of students at your college or university who are employed for 10 or more hours per week while classes are in session. you plan to present your results by a 95% confidence interval. using the guessed value p* = 0.27, find the sample size required if the interval is to have an approximate margin of error of m = 0.03. n =

Three children each had the same amount of money in their savings account. one of the children withdrew three quarters of her moneyand spent it all on a $100 sports jersey. what was the total amount of money originally in the accounts?

Lindsay is creating a bridge out of dried pasta and glue. in her plans, she sketches the graph to determine the lengths of the noodles, in centimeters, needed for the arch to increase the length of the bridge in 1 centimeter increments.which function did lindsay use to create her design? f(x) = (x – 5)2 + 8 f(x) = –(x + 5)2 + 8 f(x) = 0.5(x + 5)2 + 8 f(x) = –0.5(x – 5)2 + 8

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.