Given that cosA=1/2 and 0 find the value of sin⁡(2A)= 1

Which best describes the transformation that occurs in the graph? a) dilation b) reflection c) rotation d) translation

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible