Which graph represents the equation below f(x)=-(x+1)(x-3)

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Compare the cost of the bike trips from the two companies shown. for both the cost in a linear function of the number of days which statements is true

Evaluate cos2θ for cosθ = square root of 3/2