The value of the 6 in 26.945 is blank the value of the6 in 17.64

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.