Cho các biểu thức: A = và (Với x0, x9) a) Tính giá trị của biểu thức B tại x = 16
b) Rút gọn biểu thức P = A : B
c) Tìm giá trị nhỏ nhất của P

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.

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250