Look at points C and D on the graph: What is the distance (in units) between points C and D? Round your answer to the nearest hundredth.

A. 3.46 units
B. 8.49 units
C. 12.00 units
D.72.00 units

Sorry guys but as you have a small brain

What is sin 7x/4 ? i need on this urgent trig

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d