If ∠a = 85°, what does ∠b equal?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

If a is a nonzero real number then the reciprocal of a is

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