Find the angle θ between vectors r and s, where |r| = 16, |s| = 9, and r · s = 125. Θ = 85. 87° θ = 82. 65° θ = 29. 77° θ = 16. 26°.

A) find the derivative of the inverse to f(x) = 3x + sint at x 6. b) (cale) find the derivative of the inverse to f(x)+3sin at x 6. if x +2y -34, ind he behaviar of the cure at 4,.3), c) a. increasing, concave up d. decreasing, concave down b. increasing, concave down e. decreasing, inflection point c. decreasing, concave up