When a window is open, the temperature in a room falls 5ºF every 15 minutes. Before the window is opened, the temperature was 70ºF . Use the Ray tool to make a graph that shows the temperature of the room, T, after the window has been open for m minutes.

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Find the value of x. give reasons to justify your solutions! h ∈ ig

Sera sells t-shirts at the beach. she believes the price of a t-shirt and the number of t-shirts sold are related. she has been experimenting with different prices for the t-shirts. she has collected a data set with five pairs of data; each consists of the price of a t-shirt and the number of shirts sold. the independent variable, which will go on the x-axis, is . the dependent variable, which will go on the y-axis, is the