In a car lot,4/12 of the cars are white and 3/12 of the cars are blue. what is the fraction of the cars in the lot are either white or blue?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

Which is the focus of a parabola with equation y2=4x