which property is demonstrated by the equation 8+(9+3)=(8+9)+3. the choices are commutative property of addition or associative property of addition. distributive property or property of opposites

Evaluate cos2θ for cosθ = square root of 3/2

Solve the formula ax+ by = c for x.

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4