After the scale factor is applied to the dimensions of the rectangle shown, choose all that correctly give the new dimension.
1. Original rectangle dimensions: 5 x 7
Scale factor: 2
New dimensions: 10 x 14
2. Original rectangle dimensions: 3 x 4
Scale factor: 0.5
New dimensions: 1.5 x 2
3. Original rectangle dimensions: 8 x 10
Scale factor: 1.5
New dimensions: 12 x 15
4. Original rectangle dimensions: 6 x 9
Scale factor: 0.75
New dimensions: 4.5 x 6.75