Which expression below is equivalent to 9 - 3(2 - 5x)? A 3-15x
B 12-30x
C 3+ 15x
D 3+5x

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

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.

Answer this question! 30 points and brainliest! only if you know the answer.