In the accompanying diagram, ZACD is an exterior angle of AABC. If m2 B = 40, mLA = 2x, and mZACD = 3x. What
is the value of x?
А
(2x)
40°
(3x)
B
С
D

What value of x is in the solution set of –5x – 15 > 10 + 20x?

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?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?