Lana is putting money into a savings account. She starts with $650 in the savings account, and each week adds $30. Let us represent the total amount of money in your savings account (in dollars), and let W represent the number of weeks Lana has been adding money. Write an equation relating us to W. Then use the equation to find the total amount of money in the savings account after 19 weeks.

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x