The sum of a number and -2 is no more than six

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?