Question

I’m very confused can someone please help me????

Answer 1

Explanation:

so the scale factor is 7:2

so we need to find 2 * x = 7

3.5 * 2 = 7

Multiply each length by 3.5 to find their new side lengths so:

12 * 3.5 = 42

9 * 3.5 = 31.5

5 * 3.5 = 17.5