Plz no one ever me i need the answerwhich statement is true about 131 ? a) it lies between 12 and 13 on a number line. b) it lies between 11 and 12 on a number line. c) it lies between 10 and 11 on a number line. d) it lies between 9 and 10 on a number line.

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

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.

How many lines can be drawn through points j and k? 0 1 2 3