Which equation is an identity? O 3(x - 1) = x + 2(x + 1) + 1
O x-4(x + 1) = -3(x + 1) + 1
O 2x + 3 = 2 (4x + 2) + 2
O Į (6x – 3) = 3(x + 1) – X – 2

Drag the tiles to the correct boxes to complete the pairs. match the cart-coordinates with their corresponding pairs of y-coordinates of the unit circle

Bring the fraction a/a-4 to a denominator of 16-a^2

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction