**Answer:**

**Step-by-step explanation:**

12g+8

The answer is b; quadrant 2. starting in right corner and going counterclockwise

**Answer:**

2nd option

**Step-by-step explanation:**

Using

sin²A = ( take the square root of both sides )

sinA = ±

Replace 2A with θ and A with , then

sin ( ) = ±

The dude above me is wrong lol

**Answer:**

Hi! The answer is **9.7 / n **:)

A challenge posed by David Ackerman in 1928 The problem is an algorithm that considers, an input, a statement and answers (like yes and no) according to whether the statement is universally valid in every structure satisfying the axioms